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1[[quoteright:350:https://static.tvtropes.org/pmwiki/pub/images/3695746.jpg]]
2[[caption-width-right:350:From left to right: Ao, Mai, Mari, Mikage and Mira]]
3
4->'''Mira Konohata:''' How cool! I never knew I share a name with a star! What about you, Ao? Is there a star with your name?\
5'''Ao Manaka:''' No way, my name is too weird for that...
6->'''Mira:''' I don't think it's weird, I think it's cool! Besides, you can just name one after yourself?
7->'''Ao:''' Name one? Nah, maybe an asteroid... if I discover an asteroid, I get to name it...
8->'''Mira:''' Let's find one together, then! Let's do it! Find an asteroid!
9
10When she was camping as a child, Mira Konohata meets Ao Manaka, who points out the existence of a star in the sky named after her. However, Mira becomes saddened to learn that there are no stars named Ao. The two would promise to explore the heavens and eventually get a star named after Ao. Years later, Mira enrolls at Hoshizaki High School and decides to join the astronomy club to fulfill her promise. A dwindling member count, however, causes the astronomy club to be merged with the Earth Sciences Club. While disappointed, Mira decides to join the Earth Sciences Club anyways and finds herself reunited with Ao.
11
12''Asteroid in Love'' (恋する小惑星, ''Koisuru Asteroid'') is a {{Yonkoma}} manga by Quro which began serialization in ''Magazine/MangaTimeKirara Carat'' in 2017. An anime adaptation began airing in January 2020: it is produced by Creator/{{Dogakobo}} and is available on Website/{{Crunchyroll}} for viewing as well as a dub release by Creator/{{Funimation}}.
13
14!!''Asteroid in Love'' provides examples of:
15[[foldercontrol]]
16[[folder:Tropes A - C]]
17* AccidentalDiscovery: One of the rocks Mira collects in the second episode split to reveal a fossil, much to Mikage's excitement.
18* AccidentalPun: In the sixth episode of the dub, some of Mikage's classmates help her in [[https://en.wikipedia.org/wiki/Boring_(earth) boring]] into the school playground for the Earth Sciences club's exhibit for SchoolFestival. Mikage reflects on the fact that they seem to be more interested in geology than she expected all along:
19-->'''Mikage:''' Before today, I just assumed my classmates would think geology was boring--no pun intended.
20* TheAce: Nishina, a common friend of Endou and Hayakawa's when they were at the Shining Star Challenge. Not only she is good at astronomy, but she is also good at a wide range of subjects, including history and literature.
21* AdaptationDeviation: In the manga, Ao [[spoiler:having to move away come spring]] was revealed to the reader at the same time as her, and the rest of the cast learns of it via an InternalReveal from Ao herself. In the anime, the viewer learns of it when Ao breaks down and tells the others.
22* AdaptationExpansion: A minor case: When Chapter 8 is adapted as the last part of Episode 3, a scene of Mai talking to Mikage over the phone about how to draw a TreasureMap to Mira & co. This little bit is the source of that episode's title ''Memories are Treasures'', as Mikage suggests to Mai that "whatever you find fun is the treasure", as well as the rare scene when Mikage doesn't show a single bit of {{Tsun|dere}}.
23* AdaptationalExplanation: The manga never directly explains why it took so many years for Mira and Ao to reunite; the reason was only somehow implied in [[ChristmasEpisode Chapter 26]], as Ao is troubled over [[spoiler:her father's impending transfer, and the fact that she'll have to say goodbye to her friends]], at which point she mentions "[[ReallyMovesAround things like this happened many times before]]" in her InternalMonologue. The anime adds a line to Ao's InternalMonologue during the part of the second episode that adapts Chapter 5, when she notes she "had to move far away" soon after they made ThePromise.
24* AdaptationInspiration: While the manga follows generally the same plot as the anime, the manga is a lively comedy with sentimental bits mixed in. However the anime dials the sentimentality way up and chops a lot of the jokes -- especially ones which portray the characters in a less-than-sentimental light -- completely out. In addition, the anime's sedate animation and folksy, rustic soundtrack dampen the manga's madcap vibe further. It's at a point that the latter half of the AnimatedAdaptation is edging on being a {{dramedy}}. Some of the content that was cut or altered to make it more sentimental includes:
25** The opening chapter, where Mira can't sleep because she keeps getting up to try her uniform on and later she earns a vicious forehead flick from her sister Misa for sleeping through Misa's commencement speech, is almost entirely removed, and by extension so is Misa's (rather-unsentimental) EstablishingCharacterMoment as a stern authority figure.
26** The scene where Mira and Ao first met had {{yonkoma}} sight gags like Mira jumping into the air alongside a whale when she hears about the constellation Cetus, imagining Jupiter hula-hooping when she hears it has 70 moons, and getting BlackBeadEyes and a PlayfulCatSmile when she talks about Jupiter being "fancy". The anime plays the whole scene completely earnestly, with no MangaEffects at all.
27** Character reactions are more subdued, making the characters seem more restrained and level-headed (and them shifting into SuperDeformed mode is practically non-existent). In chapter 2, when Mira bursts into Ao's classroom and Suzu chastises her for overreacting, an embarrassed Suzu then physically hauls Ao out of her seat and tucks her under her arm like a purse while dragging Mira so hard her limp body flies off the ground and flops in the air. The anime completely omits this and cuts straight to them eating lunch on the roof.
28** When the Earth Sciences Club are trying to get a boring sample from the school grounds in chapter 19, newspaper club president Sayuri uses her attractive clubmate Usami as a HoneyTrap to lure the baseball team into helping out. In the anime, Sayuri just shows up with the baseball team eager and ready to help, and no indication is given that she tricked them into helping -- they're just overcome with school spirit, apparently.
29** In chapter 20, Monroe talks about her grandmother buying land on the moon for her grave, and Mira and Ao ask if that's why she decided to become an astronaut. This leads to a misconception where Mira and Ao think her grandma is dead, and when Monroe shows them some photos taken on ''Obon''[[note]], the Japanese festival of the dead[[/note]], they freak out about SpookyPhotographs. The anime plays the scene for sentimentality and skips straight from Monroe talking about her grandma to showing them the photos, with nothing about ghosts or ''Obon''.
30* AdaptationExplanationExtrication:
31** Chapter 4 begins with Mira skipping a stone into the river, only for Sakurai to say she wanted to study it. This leads to Mira and Ao stripping down to their bathing suits and preparing to jump into the river to get it back. Later, in chapter 5, it's revealed Munroe-senpai was snapping pictures of this event. An impassioned Suzu shouts she'll buy the swimsuit photos off of Munroe-senpai. However, the anime cut the whole swimsuit section out, leading to Suzu going wild over completely mundane photos.
32** Most of the tenth chapter is not animated, thus how Mira discovers a fossil in one of the rocks she collected is never explained in the anime.
33** When [[SickEpisode The twenty-third chapter]] is adapted into the latter half of the seventh episode, the reason why Ao got sick in the first place is removed. In the manga, after Shiori [[spoiler:discusses with Ao about Ao's father's job transfer,]] Ao [[spoiler:falls into a HeroicBSOD and]] sat in the bath for ''three'' hours, and gets sick from it. In the adaptation, Shiori discusses with Ao on an unspecified matter, and on the next day, Ao falls sick. The thing about the bath is only raised as an off-hand comment. There is a purpose to it--to increase the impact of the following episode's WhamLine.
34* AgeStereotypicalFood: Discussed during the ChristmasEpisode. The club accidentally made a hotpot that's too spicy for [[TheDitz Mira]] and [[OlderThanTheyLook Mai]], but to their seniors Mikage and Mari, the hotpot has a nice kick. Mai concludes resistance to spiciness is what people mean by an adult's palate... until [[SenseiChan Endou-sensei]] choked on the same hotpot's spiciness.
35* AllThereInTheManual: The cast, as well as readers/viewers, takes for granted that Ao [[TheSmartGirl has a considerable level of book smarts]]. This, however, is never shown anywhere in the manga. The only clear support for this notion is from... ''VideoGame/KiraraFantasia'''s character bios, which lists her as being "studious."
36* AlliterativeFamily: The way the Konohata siblings were named starts with the syllable "Mi."
37* AlphabeticalThemeNaming: This is often the case of FamilyThemeNaming in this series. Both cases also fall into RhymeThemeNaming.
38** The Konohata siblings' names are both bisyllabic names that start with "Mi" and end with the vowel A.
39** The Sakurai siblings' names both end with the kanji 景 (kage).
40* AlternateCharacterReading: The Japanese word for asteroids, 小惑星, is usually pronounced ''shouwakusei'' through on-yomi, which is also how the term is pronounced in the series. For this series's title, however, that phrase is glossed with the transliteration for "asteroid," thus the title is pronounced ''Koisuru Asteroid''.
41* AmbiguouslyGay: While everyone in the cast knows Mira and Ao are very close, they have different views on the nature of their relationship. [[YuriFan Moe]] compares them to a married couple, while others tend to see their relationship as platonic.
42* AnachronicOrder: Somehow downplayed than most SliceOfLife works, since the latter half of the AnimatedAdaptation involves relatively plot- and drama-heavy material that is impossible to have their order switched. However, this is frequently seen in the early episodes; for example [[NewJobEpisode Chapter 16]] is adapted between Chapters 7 and 8 during episode 3, and Chapter 9 adapted between Chapters [[PicnicEpisode 5]] and [[HotSpringsEpisode 6]] in Episode 2, which also necessitates a {{retcon}} on why they went to the hot springs in the first place.
43* AndKnowingIsHalfTheBattle: At the end of the TV broadcast of every episode, there's a small segment titled ''Sparkle Special'' which more fully discusses certain astronomy/geology knowledge points mentioned in that episode. For example, the one for the first episode involves Mira Konohata discusses Mira, the variable star in Cetus.
44* AndThenWhat: Mira is asked a less judgmental variant of this question while at Ishigaki Island, namely about what she plans on doing after she discovers an asteroid with Ao. She admits that she doesn't know yet, but says she'll find another goal to pursue.
45* ArmorPiercingQuestion:
46** In the eighth episode, Misa asks Ao whether she's told her parents that she [[spoiler:doesn't want to move]], a possibility that neither Ao nor any of the others had brought up in the preceding discussion.
47** Mikage makes this during the tenth episode. Moe agrees to teach her chocolate making for Valentine's, and give her a list of ingredients she needs to bring for the session. Mikage then suggests buying chocolate ingredients for Moe as well, which reminds Moe of [[CannotSpitItOut her situation with Misa]].
48--->'''Mikage:''' You're giving some out, right? Either friendship chocolate or ''ChocolateOfRomance''? (Emphasis in the manga.)
49* ArtShift: In an unanimated part of the eighth chapter, when Mai describes the first time she met Mikage (and "[[HomoeroticSubtext fall into admiration]]"), Mikage's face is drawn in {{shoujo}} style, in addition to the BishieSparkles that is also seen in the anime.
50* BaitAndSwitchSentiment: Played straight in the manga, but averted in the anime. When the Earth Sciences Club need help with their boring sample, Ayano rounds up the baseball team. However, it quickly becomes apparent they've got the hots for Ayano herself. That was removed from the anime, however, making it appear the baseball team just has an excess of school spirit.
51* {{Bathos}}: The Earth Sciences Club's emergency meeting in Chapter 27--animated as the last segment of Episode 8 -- is one of the most solemn moments of the entire series at the time of writing (May 2020). However, it is written with several humourous spots interspersed with the solemn nature of it:
52** Mai convenes the meeting with cuts of Mira and Ao at different levels of HeroicBSOD, while Ayano comments on the meeting's unusual urgency. Sayuri then [[ComicallyMissingThePoint suggests a title for a farewell party]].
53** Mikage [[GetAHoldOfYourselfMan flicks on Mira's head to stop the latter from wallowing in self-pity]], and recalls what she should do to help with the situation. Then Moe barges in and attempts to [[ImTakingHerHomeWithMe take Ao away]] for {{elopement}}.
54** After discussing a few possible options that they found to be impractical, and Mikage explains to [[spoiler:Ao]] why they're going out of their way trying to help Mira and Ao, Misa comes into the clubroom... with Groucho Marx glasses on her face and other things that look more like party supplies, before she gives her suggestion, which eventually becomes the solution.
55* BeYourself: This is what Misa tells Moe as the former leaves for college, [[spoiler:which also serves as an indirect rejection to the latter's LoveConfession]].
56* BeachEpisode: The fourteenth chapter, animated in the fifth episode, involves Moe, Mira, Ao, and Mai visiting the beach at the end of the summer vacation.
57* BeautifulDreamer: The unanimated end of the seventh chapter sees Ao falls asleep in Mira's room, probably from [[ShyBlueHairedGirl her]] exchange with Misa. Mira then notices Ao has a "nice sleeping face," and attempts to [[SleepCute nap next to her]], only to be pulled back to study by Moe.
58* BigNo: During the SchoolFestival, Ao lets out this when her mother Shiori tries to take photos of her in {{meido}} outfit at the Earth Sciences Club's booth.
59* BigWhat:
60** Mira lets out a loud shout of shock when she learns that the "boy" she'd been daydreaming about for years is actually a girl.
61** Mai gives out one of these when [[spoiler:Mari and Mikage step down as president and vice-president of the club at the end of the sixth episode and naming Mai as president.]]
62** When Ao sees Sayuri dangling over their clubroom, her original response is more a "Little 'What!?'", but in the dub, her response falls into this by changing it to "What. The. Heck!?"
63* BishieSparkle: In the eighth chapter, animated in the third episode, Mai sees Mikage with these when they first met.
64* BlandNameProduct:
65** Georgia Max, a highly sweetened canned coffee that is iconic in the Kanto region, is known as "{{Goal|InLife}}[==]gia Mix" here.
66** Ao, Endou, and Hayakawa eats at a fast-food restaurant that serves burgers and root beer and is called A&M, in reference to A&W, an American fast-food chain popular in Okinawa due to the American influence there. Although, many viewers take that to ''also'' mean "Ao & Mira".
67* BlankWhiteEyes: ''Both'' Mira and Ao gets it during the tenth episode, when they found out one of them gets into the Shiny Star Challenge while the other doesn't.
68* BlazingInfernoHellfireSauce: Downplayed during the ChristmasEpisode. Ao gets a bit too LiteralMinded on Mira's instructions and added a whole bag of chili powder to the hot pot broth. Mira, Mai and [[SenseiChan Endou]] find it unbearably spicy, but Mikage and Mari just sees it as a nice kick. Mai suggests that the trope of AgeStereotypicalFood may be in operation.
69* BlueWithShock:
70** In a part of the twenty-seventh chapter not adopted into anime, Mai gets blue with shock when [[TheDitz Sayuri]] gets the wrong idea about why the Earth Science Club has to convene an emergency meeting.
71** Ao gets it twice in the thirty-ninth chapter: when she found Ayano bought books about torture and weapons from the bookstore, and then the latter give Mira and Ao some of her drafts and mentions it has some rather "overstimulating" content because Sayuri likes it.
72** Ao gets it again in the forty-first chapter, when she (and the rest of the cast) overhears [[LovableSexManiac Moe]]'s lustful {{squee}}ing as the latter stays alone in Ao's room.
73* BluntNo: In the third chapter, [[ClubStub the Earth Sciences Club]] brainstorms for activities for the coming year, as well as the title of the proposed newsletter. Throughout the chapter, [[OnlySaneMan Mikage]] frequently cries out "REJECTED!" to [[TheDitz Mira]]'s suggestions, for one reason or the other.
74* BookEnds:
75** Episode 1 of the anime begins with a young Mira and Ao looking up at the stars and promising to discover an asteroid together. Episode 12 ends with Mira and Ao, now second-years in high school, once again looking up at the stars and renewing that promise, [[spoiler:having failed to discover an asteroid during the Shining Star Challenge]].
76** Used in a smaller scale in Chapter 2. The author deliberately made the second and second ''last'' strip--24 hours apart in in-universe time--similar in structure. Moe enters the classroom and sees Mira playing with her phone, and the conversation surrounds Ao, the ChildhoodFriend Mira reunited a day before that. The difference is Mira is gloomy on the first day because she mistook Ao's very stiff response to her texts to mean [[OldFlameFizzle Ao doesn't like her anymore]]. By the end of the chapter, Mira is happy, after their first StargazingScene-over-the-phone and resolved all the misunderstandings.
77* BoyMeetsGirl: {{Subverted|trope}}. At the beginning of the story, Mira wants her story with Ao to be like this. The "Girl meets Boy" and "Girl loses Boy" phases are there... but then what comes next becomes "Girl regains Boy, only to know the "boy" [[UnsettlingGenderReveal is actually a girl]]".
78* BreakingTheFourthWall: In the seventeenth chapter, Mira makes an AsideGlance to the reader as she beings to doubt whether Mai and Sayuri really get along like Mai said.
79* CallBack: In the forty-fifth chapter, Mikage suggests Mira to get some SchoolFestival ideas from her time at Shining Star Challenge. Mira took a whole strip recalling different spots of the trip, which eventually brought her to an idea.
80* CallForward: Mari's flashback in Chapter 31 regarding the early days of the Earth Sciences Club's merger ends a little bit before Mira and Moe enter the clubroom in Chapter 1. Specifically, it ends by an explanation of why Ao is already there at that scene--she arrived at the clubroom minutes after school ended and immediately filed a membership application that she already filled out. Since Japanese schools usually give new students about a week to "experience" different {{Japanese School Club}}s before committing to one, Ao's committing to their club ''that'' early surprised Mari, if not the other members Mikage and Mai.
81* CelebratoryBodyTossing: In the thirtieth chapter, Mira, Ao and Mai attempts to toss Mari in the air in celebration of the latter finally getting into her first-choice college, considering Mari didn't get the first time around. Mikage stops them, since Mari would eventually come down, or "drop"--and in Japanese, "drop" is the same word as "fail".
82* CerebusSyndrome: {{Downplayed|Trope}}. The first 21 chapters of manga, or the first half of the anime, despite very occasional discussion of personal goals (or the lack thereof), is not very different from most other series in ''Manga Time Kirara'' that received {{Animated Adaptation}}s. Since then, however, the direction made a more realistic, ComingOfAgeStory turn, with emphasis on how the cast's personal problems and how they resolve it through CharacterDevelopment. The seventh episode, which adapts chapters 22-24, has 3-4 examples of HeroicBSOD, depending on the version, which is seldom seen in SchoolgirlSeries. Yet, true to SchoolgirlSeries, the tone remains optimistic, and the dramatic elements are interspersed with humour.
83* ChangingChorus: The ending theme ''Yozora''("Night Sky," by Creator/MinoriSuzuki) has a different chorus with its second verse.
84** The chorus for the first verse and coda:
85--->The future we pictured\
86lies along a far-distant path\
87There may be smiles, there may be tears\
88I wish I can share them with you\
89If, in the reaches of the shining sky,\
90there's something you want to search for,\
91Trust that you're not alone,\
92and we can set out
93** The chorus for the second verse:
94--->I hope what I wish to do\
95will shine upon this world we see\
96There may be hopes, there may be doubts\
97I wish we could illuminate each other\
98I'm crossing the boundaries of time\
99because there's something I want to make happen\
100Let us burn like the stars\
101and color up the [[TitleDrop night sky]]
102* ChildhoodFriends:
103** While they'd only spent time together briefly as children, Mira and Ao struck up a fast friendship that left a lasting impression on both.
104** Moe and Mira have also known each other since childhood, to the point where Moe is fiercely protective of Mira.
105** Mai and [[spoiler:Keiko]] had been doing urban exploration when they were in elementary school, which is the origin of Mai's interest in cartography.
106* ChildhoodFriendRomance: {{Subverted|Trope}}. For many years Mira harbours a romantic crush on Ao, and intended to have a romantic relationship with the latter when they reunited. [[UnsettlingGenderReveal Cue Mira's shock when she learns that Ao is actually a girl]].
107* ChildishPillowFight: In the forty-first chapter, Mira, Ao, Moe, Chikage and Yuu are trying to finish their summer homework at Mira's house. Moe suggests doing this since that is the first time she has a sleepover, but the others rejected the idea since none of them finished their homework. The Yes/No pillows Moe takes out don't help matters[[note]]It is usually used by couples to show whether they want to have sex[[/note]].
108* ChocolateOfRomance: During the ValentinesDayEpisode, Moe gives Misa one of these in full ''honmei-choco'' mode, which is effectively a LoveConfession. It is also through this that Moe comes out as a lesbian, somewhat a rarity in ''Kirara'' series, but won't be surprising in-universe.
109* ChristmasEpisode: In chapter twenty-six, adapted in episode eight, the club enjoys a hot pot and {{stargaz|ingscene}}es. The girls of the newspaper club get in on this, too, dressing up in seasonal costumes.
110* ChromosomeCasting: The recurring cast is all female. It somehow avoided falling into ImprobablyFemaleCast, however, by making all professional scientists male, as the area is still mostly male.
111* CicadianRhythm: A cicada appears at the beginning of Ao's flashback in the first episode, to clarify it was summer when the events of the flashback happened, especially since the scene immediately before and after the flashback is clearly in the first days of April.
112* ClubStub:
113** The Astronomy Club and Geology Clubs saw a decline in members in the previous year, so to save the clubs, they were merged. However, with few accomplishments under their belt, their initial funding for club activities remains limited.
114** Similarly, the newspaper club only has two members.
115* ColorCodedCharacters: The anime gives a color code to most characters. While [[ShyBlueHairedGirl Ao]]'s blue and [[FieryRedhead Mikage]]'s red are the most obvious, [[GenkiGirl Mira]]'s orange and [[FishOutOfWater Mai]]'s green also suit their personalities.
116* ComicallyMissingThePoint:
117** Mikage and Ao discuss Mai's entry into the Earth Sciences Olympiad in Chapter 25/ Episode 8. Mira imagines what it entails... by drawing a few earth sciences-themed sporting events on the club whiteboard. Mikage has to clarify despite the "olympiad" in its name, it has nothing to do with sports.
118** When Mai convenes an emergency meeting for the Earth Sciences Club (and tags the Newspaper Club along) to brainstorm for how to help [[spoiler:Ao with her imminent departure from town]]. [[TheDitz Sayuri]] then make suggestions for a ''[[spoiler:farewell]] party'', complete with a proposed title. Mai has to loudly clarify they're talking about [[spoiler:Ao]]'s GoalInLife.
119* ComicallySerious: While working at the Suzuya bakery, Suzu mentions the bakery doesn't need any more space-themed bread since the croissant represents the crescent. Mira and Ao, being astronomy enthusiasts, complain it's not a new moon, but a seventh-day moon.
120* ComingOfAgeStory: Relatively unusual among series serialized in ''Magazine/MangaTimeKirara''[[note]]The other series with palatable emphasis of this are ''Manga/DoujinWork'', ''Manga/HidamariSketch'', ''Manga/{{Hanayamata}}'', and ''Manga/NewGame''.[[/note]], this series gives a large emphasis on how the cast seeks personal growth and working towards different goals. More obvious are cases of GrewASpine that Ao and Mai go through, but even ''Mira'', who is otherwise relatively static, also sees improvement in her intellectual side.
121* ComingOfAgeQueerRomance: A side storyline in has 15-year-old Moe, whose [[StalkerWithACrush obsession with "collecting the girls' info"]] more than implies her interest in women, finally getting over her CannotSpitItOut over her crushing over [[StudentCouncilPresident Misa]] and gives the latter a LoveConfession right before Misa graduates from high school. [[spoiler:Subverted in that Misa is implied to have declined it by asking her to BeYourself rather than admiring her. Moe seems to take it rather gracefully, though, outside of a SignificantHaircut.]]
122* ComingOutStory: Part of the ninth episode deals with Moe's LoveConfession towards Misa, and how she struggles with it. She does not openly declare her sexuality, but the fact she did that is implied to be known to some of the cast, if off-screen.
123* CommutingOnABus: After Mikage and Mari GraduateFromTheStory on the thirtieth chapter, they no longer take an active role in the story. However, they appear relatively often, as the kouheis of the Earth Sciences Club often call them for advice.
124* CompressedAdaptation: The twenty-ninth chapter suffers from this when it is adapted as part of the ninth episode. The process of Mikage making her PlatonicValentine with Moe is compressed into a montage since the part about Moe's LoveConfession is considered more important.
125* ContinuityNod:
126** In the twenty-fifth chapter, Mai finds the astronomy questions of the Earth Sciences Olympiad easier than she thought. Then she recalls now she is in the same club with astronomy enthusiasts like Mira and Ao. Mai's flashbacks of what Mira and Ao said in the clubroom are indeed the preparations for the children's stargazing event, three chapters ago.
127** The anime created messaging avatars for Misa, Yuuko, and Shiori, all of which are continuity nods of some type.
128*** Misa's avatar is the banded stone Mira gives her in the seventh chapter, adopted in the third episode.
129*** Yuuko's avatar is the characters from Mira's manga columns in the Earth Sciences Club newsletter, first seen in the ninth chapter, adopted in the second episode.
130*** Shiori's avatar is a blob-like creature, which is from her illustration for a textbook's Standard Model chart. Mira shows it to Ao in an anime-only part of the third episode.
131** Mira's manga characters appear again in the thirty-second chapter, adopted in the tenth episode. This time, Mira draws them on the Earth Science Club's recruitment signs.
132* ConvenientlySeated: Per the anime tradition, Mira, as the protagonist, sits at the window corner seat during her first-year, and Moe sits at the seat in front of Mira.
133* ConversationCut: Right after the AMinorKidroduction in the first episode, {{Time Skip}}s to Mira's first day at high school. As she walks to the homeroom after the speech...
134-->'''Mira:''' ''As of today, I'm a high schooler! And the one thing I'm looking for the most in high school is...''\
135''(Cut to Mira reading the club listings after school)''\
136'''Mira:''' ''(Goes OcularGushers)'' GONE!
137* CornerOfWoe: In the twenty-fourth chapter of the manga, Mira, Ao and Mai all go into this when it's revealed Mari doesn't go into her preferred college by the means of recommendation. As Mikage explains why she and Mari never mentioned their college admissions (to ''avoid'' her underclassmen from getting too depressed over it), she also goes into the Corner of Woe as she realizes it was also her fault about her announcing her own acceptance the previous day.
138* CosplayCafe: The Earth Sciences Club's exhibit during Mira's first year involved having a classroom turned into a cafe with exhibits related to astronomy and geology, while the members dress up as {{meido}} and serve desserts from the Suzuya Bakery. [[ReluctantFanserviceGirl Most of the members are embarrassed by their costumes]], but for a ClubStub visibility is key to their continued survival.
139* CoverInnocentEyesAndEars: In the seventeenth chapter, Mira shows pictures she took of Hoshizaki's SchoolFestival the year before. When it comes to the Literature club, Mira mentions that club was reprimanded because some pornography got mingled in other books in their second-hand book sale. Mikage immediately covers up [[TheIngenue Mai]]'s eyes as Mira's picture gets mosaiced.
140* CradleOfLoneliness: PlayedForLaughs. At the beginning of the twenty-second chapter, adapted in the seventh episode, Mai is found holding onto Mikage's belongings in this position while going OcularGushers, still under the [[HeroicBSOD shock]] of [[spoiler:being named as the club president]].
141* CranialEruption: In the seventeenth chapter, the Earth Science Club attempted to brainstorm some story ideas for the Newspaper Club, and some of Mira's suggestions are plainly unflattering references to Mikage. We see [[RightBehindMe Mikage standing at Mira and Sayuri's backs rather pissed off]], and in the next panel, Mira gets these.
142* CreatorCameo: When the Earth Sciences Club is brainstorming the title for their newsletter in the third chapter (adapted in the first episode), Mikage suggests ''Mica Time Kirara Carat'', using {{Alternate Character Reading}}s for the mineral mica. This series is serialized in ''Magazine/MangaTimeKirara Carat''.
143* CrossPoppingVeins: When Mira opens [[spoiler:Ao's]] packing boxes without the latter's permission during [[FeudEpisode the thirty-first chapter]], and finds an item addressed to her, the latter character yelled, "don't open my things without my permission!" with a few cross-popping veins on the speech bubble.
144* CurtainsMatchTheWindow: Mira has brown hair and eyes, Ao has blue hair and eyes, Sakura has red hair and eyes, and Moe has violet hair and eyes.
145* CuteSportsClubManager: In the nineteenth chapter (adapted as part of the sixth episode), Hoshizaki's otherwise all-male baseball team has a girl as its manager, and due to the [[GenericCuteness art style]], she's rather easy on the eyes.
146* CutenessOverload: Moe does this several times. The first time is in the second chapter, when she gets overloaded with Ao's rather bashful apology about "not sending cute replies" to Mira the previous night. At that point, Moe pretty much sits away like she was having a CornerOfWoe moment, but she is completely ecstatic. The anime downplays it somewhat, but Moe is squeeing rather loudly.
147[[/folder]]
148[[folder:Tropes D - F]]
149* DamnYouMuscleMemory: The plot in the seventh episode about Mai's problem in taking pictures boils down to this. She is familiar with taking pictures with a smartphone. When she needs to use a camera to take pictures for the club, though, she holds it in such a way it always shakes when she presses the shutter, causing a persistent shakey cam problem.
150* DatePeepers: In the eighth chapter (animated in the third episode of the anime), Mira and Ao oversaw Moe and Mai walking around town acting like they were dating, although they are quickly found out as Mira has been Website/{{tw|itter}}eeting about it all the way. It's eventually {{subverted|Trope}}, since Moe and Mai are checking out an enclave of a neighbouring city on their own. It's particularly ironic since Mira considers her outing with Ao as a date.
151* DeathGlare: PlayedForLaughs. During the tenth chapter, Ao becomes [[BewareTheQuietOnes extremely furious]] by Mikage's statement that the latter "doesn't mind" if Mira gets interested in geology and move to the Geology Group instead. At that point, she is drawn with cross-shaped glares larger than her eyes and her GirlishPigtails flying horizontally, such that Mikage gives out TearsOfFear.
152* DebatingNames: The latter half of the third chapter involves a debate on the title of the [[JapaneseSchoolClub Earth Science Club]]'s proposed newsletter. The debate comes from the fact the ESC was recently formed by the merger of the Astronomy and Geology clubs due both to them [[ClubStub having too few members]], which means all the initial suggestions were very provincial on their own side--[[TheProtagonist Mira]], a new member but an astronomy enthusiast, suggests "Find an Asteroid!". Mikage, the senior member of the geology section, accuses Mira of provincialism and then suggests a name after... [[{{Hypocrite}} mica]]. Eventually [[TheQuietOne Ao]] suggests the use of "Sparkle," since it's a common attribute between stars and gems.
153* ADegreeInUseless: Towards the end of Chapter 35, which is adapted in the middle of the eleventh episode, Endou tells fellow Shiny Star Challenge alumna Hayakawa back at the time, she never thought both of them would become teachers. The translator's note of the Chinese fan translation notes interprets that line as "Implying it's hard to get a job with an earth-sciences major." There's no indication if that's what Quro means, though.
154* DeliciousDistraction: In chapter twenty-two / seventh episode, the Earth Sciences Club works as volunteer instructors for a children's stargazing event. Since the children are not listening to their teachings, Suzu and Megu give them cookies to quiet them down.
155* DidntThinkThisThrough: During the second-year barbecue in the thirty-third chapter, Mira tries out a homemade Baumkuchen recipe she read. What she doesn't realize is, the nature of baumkuchen means she needs to grill dozens of layers of cake on a spit, making the process more tedious than she thought.[[note]]The anime removed this gag by having Moe -- who does not show up in the manga -- do the deed.[[/note]]
156* DoItYourselfThemeTune: The opening theme, ''Aruite Ikou!'', is sang by Creator/NaoTouyama (Mikage).
157* DontCelebrateJustYet: In a part of the ninth episode adapted from the twenty-ninth chapter, Mira starts putting welcoming banners around her house when she hears from her mother that [[spoiler:Ao's mother is willing to consider the plan for Ao to live in the Konohata residence, and will discuss with her husband]]. Misa has to remind Mira that it's hardly a done deal.
158* DoubleDate: {{Subverted|Trope}} in the seventh chapter, animated in the third episode. Mira thinks this is happening not long after she declares her shopping trip with Ao a date, when they notice Moe and Mai together and even buying ice creams. Turns out Moe and Mai are checking out an enclave of a neighbouring city in their own.
159* DramaticDrop: In the seventh chapter (animated in the third episode of the anime), Moe is carrying a box of cream puffs to Mira's room, and sees [[MistakenForFlirting what looks like to be her crush Misa seducing Ao]]. Moe drops the box on the floor out of shock.
160* DramaticallyMissingThePoint: The events of the second chapter (or the second segment of the first episode), is caused by Ao, [[ShyBlueHairedGirl freaking out]] as she reads the profuse stream of text messages Mira sends her, decides to consult a book on ''business'' emails to help her reply the texts. Ao's very formal response to Mira's texts makes Mira mistake Ao [[OldFlameFizzle doesn't like her anymore]].
161* DreamSequence: The first strip of the tenth chapter sees people from 10,000 years later finding fossils of [[ClubStub the Earth Sciences Club]] when they attempt to find resources. Turns out it's Mira narrating her dream to the rest of the club.
162* DrivesLikeCrazy: When Mikage mentions in the twenty-eighth chapter that she is getting a driver's licence, Mai and Mira fall silent as they are having an ImagineSpot about Mikage going this when she drives. Eventually subverted, however, since Mikage drives responsibly when she drives the club to Tsukuba in the eleventh episode. %%This part is removed from Episode 8.
163* DubInducedPlotHole: {{Inverted|Trope}}. When Misa sets up a shrine for Mira's banded stone seventh chapter, adapted as the first segment of the third episode, she says "Still, an asteroid, huh? Mira's set a big dream for herself." This indicates Misa never knew Mira takes asteroid discovery as the latter's GoalInLife. However, the same chapter also establishes that Misa knows well about the past between Mira and Ao, [[ThePromise which is why the asteroid thing exists in the first place]]. Creator/{{Funimation}}'s dub changes that line to "[Mira] still wants an asteroid", meaning Misa knows it all along.
164* DullEyesOfUnhappiness:
165** Moe's eyes lose their gloss in the first chapter/episode, when Mikage presses her to join the geology side of the Earth Science Club, up to and including using a set of [[PowerCrystal power stones]] as [[IfYouCallBeforeMidnightTonight sweetener]].
166** She does it again in the second volume's PrintBonus. When doing summer homework with Mira and Ao, that's her response to all the other two's [[ContinuityNod talk about the club's summer camp]], owing to her spending the summer vacation tending Suzuya Bakery.
167* EarlyBirdCameo: In the manga, Yuu and Chikage only appears in flesh during the thirty-second chapter. In the anime, they first appeared as SchoolFestival visitors during the sixth episode (which mostly adapts the nineteenth and twentieth chapters). Chikage appears once more in the part of the eighth episode that adapts the twenty-fifth chapter, as one of the participants of the Earth Science Olympiad.
168* {{Edutainment}}: The series provides elementary astronomy and geology knowledge. This is straighter in the forty-third and forty-fourth chapters, where a large portion is about compositions of rocks and different types of clouds, respectively.
169* {{Elopement}}: PlayedForLaughs. When the Earth Sciences Club is brainstorming on how to help [[spoiler:Ao, who is moving away with her parents]], Suzu barges in, [[ImTakingHerHomeWithMe takes Ao away]] on PrincessCarry, and declares they are eloping. It only ends when Mira tells Suzu's missing the point; it's ''their'' GoalInLife that's at stake.
170* EmptyNest: Shiori's initial objection for Ao [[spoiler:to stay in town]] is partly due to this; she specifically noted that no parent would like to part with their children.
171* EnergeticAndSoftSpokenDuo: Mira and Ao follow this dynamic. Mira is a [[GenkiGirl spontaneous, energetic person]] with NoIndoorVoice and endless enthusiasm for just about everything, while Ao is a more intellectual and thoughtful person who is uncomfortable speaking to others, [[{{Dandere}} except Mira]]. The complementary nature of the two is lampshaded in this exchange in the fifth chapter / second episode, after Ao notes that [[GoalInLife finding an asteroid]] is increasingly difficult:
172-->'''Mira:''' ''She sure knows a lot about this stuff, so I'm sure her worry is more justified than mine.'' Ao! Don't worry! I'll do everything I can to help you! I'll study super hard to catch up to your knowledge! Let's do our best together!\
173'''Ao:''' ''How could she think she needs to catch up? She's always the one in the lead, pulling me along behind her.''
174* EveryEpisodeEnding: When every episode of the anime ends, the ending theme usually plays 10-15 seconds before the ending credits start running. In nearly every episode, Mira gives a summary and how she thinks of the episode's events, with the exception of the sixth and tenth episodes, when it's used to deliver a WhamLine and a WhamShot, respectively.
175* EverybodyCallsHimBarkeep: {{Defied|Trope}} during the [[PicnicEpisode fifth chapter]] (adapted as part of the second episode). Moe finds the entire Earth Sciences Club calling Mari and Mikage "President" and "Vice-President" a bit too formal, and asks [[TheNicknamer Mira]] to give them nicknames.
176* ExpressiveHair: In the ''[=KiraKira Special Issue=]'' segment following Episode 7, Mira and Ao discusses meteor showers. Towards the end of the segments, the two goes up to the school roof. As Ao provides suggestions to observe those (without any telescopes!), [[GenkiGirl Mira]]'s sidetail starts to flap up and down, and combining that and her [[ImportantHairAccessory star-shaped hairpins]]:
177-->'''Ao:''' Mira, you're having meteor hair.
178* ExtraLongEpisode: The Ishigaki arc's chapters, serialized during the anime run, are 10 pages each instead of the standard of 8 pages.
179* FamilyBusiness: The Suzuya bakery is owned by Moe's parents. Moe and Megu also need to help with their business, and Moe is too busy with her responsibilities to commit to any JapaneseSchoolClub.
180* FamilyThemeNaming:
181** The several females of the Suzuya household have plant-themed names: Moe (budding), her sister Megu (bud), and their mother Hana (flower).
182** The Sakurai siblings both contains the kanji "kage", which means "scenery."
183** The names of the Konohata siblings are just one consonant apart.
184* FeminineLegSwish: At the beginning of Chapter 15 (animated as the second segment of Episode 5 of the AnimatedAdaptation), Mira, who is the more feminine of the main duo, is shown waving her feet in the air in a scissoring motion while reading an astronomy magazine on her bed. For the sake of comparison, her PseudoRomanticFriendship partner, the GirlyGirlWithATomboyStreak Ao, tends to sit on the bed when reading.
185* FeudEpisode: Most of the thirty-first chapter (animated in the ninth episode) is about a minor argument between Mira and Ao on Ao's first day [[spoiler:[[RoommateDrama living in the Konohata household]]]].
186* FinishingEachOthersSentences: In the third chapter, the main duo has this exchange after looking [[ClubStub Earth Sciences Club]]'s predecessor clubs' activity roster and noticing there're little or no overlap between those. The immediate response from the other members is wondering whether Mira was Ao's interpreter (in the manga), or the two were MindlinkMates (in the anime).
187-->'''Ao:''' I think we should remedy that--\
188'''Mira:''' A joint project, huh? We could just do the previous activities together, or coming up with something entirely new.
189* FirstNameBasis: As noted in LastNameBasis, Mira calls nearly every member of the cast by nicknames that are mostly based on their last names, except Ao. This is one of the several things that indicate the closeness between the two.
190* FoodAsBribe: Moe may have accidentally invoked this during the SchoolFestival if Mira didn't stop her in a part of the twenty-first chapter that isn't animated. Specifically, when her crush Misa the StudentCouncilPresident visits the Earth Sciences Club's booth as a panelist of the booth food contest, Moe is seen making half a dozen pancakes to impress Misa. Mira reminds Moe she'd get disqualified if she bribes the panelists, and eventually, Moe serves Misa a single pancake, like any other customer.
191* FoolishSiblingResponsibleSibling: Mira and Misa Konohata follow this dynamic. Mira is an energetic GenkiGirl who is known to be [[TheDitz not particularly intelligent]], while Misa is a composed CoolBigSis who has a TeenGenius reputation.
192* FootnoteFever: The major Chinese fan translation seems to involve a team that has experience with geology and/or astronomy. They describe each star mentioned as footnotes and gives the readers pages -- more than 4 pages per chapter in some chapters -- of scientific introductions. On the other hand, the typesetter gives asides on their explorations.
193* ForgetsToEat: PlayedForLaughs. During the twentieth chapter (adapted in the sixth episode), the Astronomy Group is so absorbed stargazing at Mira's room after wrapping up SchoolFestival preparations that they do not realize they are hungry, until [[SweetBaker Moe]] brings her desserts in and fans at the three other girls to induce a GrowlingGut.
194* FreezeFrameBonus: During the ninth episode, Ao gives Shiori a plan [[spoiler:for living at Mira's house]] called "Proposal for a New Life," compiled by her friends. Its content only appeared for a second or so, and Website/{{Crunchyroll}} only translates its heading. Some of its contents become essential to understand some of what Ao does [[spoiler:to follow Mira to Ishigaki]]. To cope with the extra expenses arising from her living separately, she has to work at the Suzuya Bakery[[spoiler:; and this is why she gets can get a salary advance from Moe]].
195* FriendshipSong: The ending theme ''Yōzora'' is mainly about the importance of friends (or ''one'' friend) in the path to the GoalInLife.
196* FriendshipTrinket: Ao puts a whale charm on her bag to remind her of the childhood promise with Mira.
197* FunWithAcronyms: When the Earth Sciences club arrives at Endou's grandparents' home in the eleventh chapter, animated in the fourth episode, Ao notices the grandfather wears a cap with the letters UsefulNotes/{{JAXA}} ('''J'''apan '''A'''erospace s'''X'''ploration '''A'''gency) on it. The gang first thought he is a retiree of JAXA's, but it turns out he's a farmer who is also a space nut--he added the letters "XA" on a cap provided by JA, or '''J'''apan '''A'''gricultual Cooperatives.
198* FunnyBackgroundEvent: When Shiho explains to Mira the operating principles of Cassegrain reflecting telescope in the thirty-fifth chapter, we see [[spoiler:Ao]] startled at that in the background. In the next panel, we see the latter blocking Mira from Shiho.
199[[/folder]]
200
201[[folder:Tropes G - J]]
202* GagSeries: While being a bit more sentimental than many ''Kirara'' series, ''Asteroid in Love'' consists of [[{{yonkoma}} 4-panel]] gag strips. Even in the most serious scenes the authors still put gags with every strip.
203* GirlWatching: Moe's confessed hobby is "collecting the girls' info," which boils down to this trope. As shown in ''[[PrintBonus Suzu's Research]]'' and even in the main series, she enjoys seeing the girls' {{Charm Point}}s, as well as being curious how they act in different situations (especially Mira and Ao).
204* GiverOfLameNames: The bread at the Suzuya Bakery often have strange names. They call a cream bun "The Fairy's Ocarina", a red tea-flavoured melon bun "The English Maid's Awakening", and meat pies "Literature/TheSecretGarden''. During [[NewJobEpisode the sixteenth chapter]], both Mira and Ao commented they have a weird naming sense, bordering on {{Chuunibyou}}.
205* GivingUpTheGhost: In this series, this trope indicates nothing worse than emotional shock.
206** In the fifth chapter, Mira does this when Ao mentions [[GoalInLife discovering an asteroid]] is increasingly difficult.
207** A more dramatic version occurs in the thirty-fourth chapter, when both Mira and Ao are having a HeroicBSOD when it turns out [[spoiler:one of them is]] accepted to the Shining Star Challenge [[spoiler:while the other doesn't make it]]. Mira goes BlankWhiteEyes and have this at the same time.
208* GraduateFromTheStory: Mikage, Mari, and Misa graduate from high school in the thirtieth chapter / ninth episode. While Mikage and Mari still occasionally help with the club, the three are effectively CommutingOnABus.
209* GrowlingGut:
210** {{Invoked|Trope}} during the twentieth chapter (adapted in the sixth episode). Moe brings her desserts in and fans at the Astronomy Group to induce this, as they're getting close to ForgetsToEat.
211** During the thirty-fifth chapter, while on the taxi out of the Ishigaki airport, [[spoiler:Ao]] has this because she's on a shoestring budget and has to forego lunch.
212* HarshWordImpact:
213** In the eighteenth chapter, Mira and Ao gives Moe some potential designs of refreshments to use in the SchoolFestival, and Moe rejected some of them due to being physically impossible to make. An arrow with the words "Rejected" stabs into Ao head as she does BlankWhiteEyes, since she designed all of the rejected ones.
214** In the twenty-second chapter, Mai recalls Moe was [[HeroicBSOD extremely depressed at her results]] at the SchoolFestival's booth food competition. Two arrows, one with "Suzuya Production" and the other with "{{Second Place|IsForLosers}}", is seen stabbed into Moe in Mai's recollection.
215* HearingVoices: {{Discussed|Trope}} [[PlayedForLaughs for Laughs]]. During the Shiny Star Challenge, Shiho asks [[spoiler:Ao]] why the latter would take the unusual action of coming all the way to Okinawa just to become an observer. After explaining [[ThePromise the story behind it]], Shiho's mood sours... since she originally expected the answer to be on the lines of "guidance by voices from the outer space."
216* HeroicBSOD:
217** ''Four'' instances of characters in shock during the seventh episode:
218*** Mai is in a days-long shock after she unexpectedly [[spoiler:named the president]] at the sixth episode.
219*** While PlayedForLaughs, Moe is in a shocked stupor for days owing [[SweetBaker her]] wares only get the second place in SchoolFestival's best food competition, losing to the Manga Club.
220*** Mari is clearly shocked because she can't enter the university she wants by recommendation. As Mai, Mira, and Ao noticed, Mari is walking wobbly and dejected the following morning.
221*** Ao has one earlier that episode, after learning from her mother [[spoiler:they may have to leave the town]]. She sat in the bath for so long [[spoiler:that she gets {{sick|episode}}.]]
222** The following episode, after Mira hears from Ao about [[spoiler:her family moving away]], she gets depressed about how she didn't notice, and thinks of herself as "a failure of a friend," before Mikage flicks her in the forehead and snaps her out of it, saying Mira should be contributing ideas [[spoiler:of how to stay close to Ao]].
223** In the thirty-fourth chapter / tenth episode, ''both'' Mira and Ao get it ''together'' as they found one of them is accepted in the Shining Star Challenge and the other didn't get in. Neither Mai (in the manga) or the Newspaper Club (in the anime) can help them, and, like last time, it takes Mikage to [[RousingSpeech yell them out of depression]].
224* HesitationEqualsDishonesty:
225** PlayedForLaughs in the sixteenth chapter, adapted in the sixth episode. Megu asks Ao if Moe is getting along with the girls from the club, and Ao pauses as she thinks of all the embarrassing things Moe did with them. Ao says, "I think she's fine," with an aside that Moe is "having a lot of fun," but Megu skeptically says "That pause just now..."
226** PlayedForDrama: During Ao's SickEpisode, Mai suspects something is wrong with Ao ''beyond'' having a cold when the latter explains, after a bit of hesitation, that she has been thinking about a book about asteroid discovery. [[spoiler:Mai is right; Ao isn't thinking about that book at all. She's distressed about having to move again, and by extension, part ways with Mira for the ''second'' time.]]
227* HeterosexualLifePartners: While in the beginning there's some level of enmity between Mikage and Mari, by the time they GraduateFromTheStory, they become very close. While in the manga they don't live in the same apartment as in anime (their buildings are across a narrow street), Chapter 46 shows Mikage sometimes cooks for Mari, while Mira expects the two to be together in the evenings in case she needs help.
228* HighPressureEmotion: During the second chapter, Ao gets this after Mira happily tells her the latter has been learning a lot about astronomy due to Ao's influence. Steam comes out from her head, followed by her [[TwistedKneeCollapse collapses]] on the balcony.
229* HoistByHisOwnPetard: [[SchoolNewspaperNewsHound Sayuri]] want to find some scoops to {{blackmail}} the Earth Science Club, because the latter's newsletter is more popular than the school newspaper they make. But then she blurted out all her intentions to everyone in the club, and Mari recorded all that ''to'' use as a bargaining chip towards the Newspaper Club.
230* HomoeroticSubtext:
231** Mira and Ao's first meeting. In no more than a few hours, they not only made ThePromise but continues to treasure the person they met, and the promise they made, despite having not seen each other for years before the story started. As a result, [[YuriFan Moe]] declares them OldFlame.
232** In Chapter 7 (animated in Episode 3), both Moe and Misa realize Mira's self-made romance manga always have the LoveInterest modelled upon Ao (whom she mistook for a boy for years). The implication of Mira having a crush on Ao, at least before [[UnsettlingGenderReveal knowing Ao's actually a girl]], is not forgotten, since Mira at this point ''specifically'' forbids Ao from reading that manga.
233** [[spoiler:Ao's WithAFootOnTheBus situation is resolved by her living in Mira's house because Misa's room becomes vacant owing to the latter going to college out of town.]] When Nanami learns the two living under the same roof, her first reaction is [[MistakenForGay accusing the two of being more than just friends]].
234%%** It's unclear whether Ao sees Mira as her crush, but the following line in Chapter 2 / Episode 1 sounds like she treats Mira as her {{old flame}}:
235%%--->'''Ao:''' ''But, my feelings haven't changed.''
236* HoneyTrap: PlayedForLaughs. In the manga, the Newspaper Club gets the Baseball Team members to help with Mikage's boring (as in drilling) exhibit by claiming they're being interviewed by Ayano, who does look reasonably beautiful, but then GenericCuteness applies to this series.
237* HotSpringsEpisode: The Earth Sciences club visits a hot spring during the sixth chapter / second episode and discuss the health benefits surrounding different types of mineral water in the hot springs.
238* HumanCannonball: During the forty-first chapter, the cast mentions the Dobsonian telescope. After looking at a few pictures of it, Chikage thinks they look like human cannons, and Mira falls into an ImagineSpot of her using it to launch into the space to [[GoalInLife find asteroids]]. Ao has to tell Mira ''that'''s not possible.
239* HyperspaceHolmesHat: In the ''[=KiraKira=] Special Issue'' segment for volume 5, Mikage, Mai and Endo-sensei discusses strata, index fossils, and facies fossils. Since the latter two can, respectively, indicate the timing and geological nature of the layer, suddenly Mikage (and eventually Mai) changes into full Sherlock Holmes costume, since they think it's like of like resolving a mystery.
240* ImmaturityInsult: During Chapter 39, Mira shows she is [[FriendToAllChildren very good to children]]. At this point, Yuu wondered aloud whether that's because Mira, who's rather [[TheDitz ditzy]], is more similar to [[CheerfulChild children]]. Chikage has to shut Yuu up for InnocentlyInsensitive.
241* IShouldWriteABookAboutThis: Sayuri attempts {{invok|edTrope}}ing this when the incident [[spoiler:regarding Ao's impending move out of town]] is resolved by [[spoiler: Ao and Mira entering moving in together]]. Upon hearing the resolution, she thought the entire story "sounds like it comes straight out a soap drama" and would like to write it in the school newspaper, but Ao and Mira runs away before Sayuri has the chance to interview them deeper.
242* ImTakingHerHomeWithMe: PlayedForLaughs in Chapter 27 / Episode 8, when Moe attempts takes Ao away in the name of "{{elopement}}".
243* IfYouCallBeforeMidnightTonight: During the first chapter/episode, Mikage did a hard sell to Moe for her side of the club, up to and including giving a "for new members only" "power stone set".
244* ImagineSpot: As a ''Kirara'' {{yonkoma}}, the manga frequently uses SuperDeformed Imagine Spots like many of its contemporaries, where the characters will become ''chibi'' and create a visual aid for what they're talking about, which may or may not [[LeaningOnTheFourthWall lean on the fourth wall]]. However, this is completely {{Averted|Trope}} for the anime, which doesn't have ''any'' SuperDeformed Imagine Spots (despite them being common in other ''Kirara'' anime). On the rare occasion the anime wants the same kind of visual gag, Mira will whip out her notebook and sketch it for the benefit of the other girls.
245** In chapter twenty-four, Mari "[[Creator/MarilynMonroe Monroe]]" Morino teaches Mai several things about photography, including "exposure compensation". Mai imagines Mari having a MarilynManeuver causing an "exposure" (as in a PantyShot), and "compensated" by putting a CensorBox over her eyes.
246** In chapter twenty-eight, Ao reminds herself she ''needs'' to tell her mother how she feels about [[spoiler:having to move away]]. She recalls Mikage's suggestion that she should throw a tantrum at her parents...and then imagine herself doing just that. She then flails her arms in the air to stop herself from imagining this. Shiori is confused.
247** The thirty-first chapter, animated as part of the ninth episode:
248*** Mira and Ao [[FeudEpisode have a minor quarrel]] because [[spoiler:Mira unpacks Ao's moving boxes without permission]]. Since both of them refuses to give a reason, [[GoodWithNumbers Misa]], seeing them as astronomy enthusiasts, decides they are arguing about the origins of the moon and imagines their arguments out loud.
249*** After the above, Ao starts to worry about Mira's lack of a sense of privacy, and imagines a few scenario of this: using her stationery, reading her ScienceFiction (''{{Literature/The Hitchhikers Guide to the Galaxy|1}}'', no less), moving to doing laundry ''for'' her.
250** During the thirty-fifth chapter, Shiho tells [[spoiler:Ao]] she finds the latter's brain interesting due to the latter's being both a ShyBlueHairedGirl and TheDeterminator. The latter freaks out and imagines Shiho {{Mind Prob|e}}ing her.
251** In the forty-first chapter, the cast has a brief discussion on Dobsonian telescopes. Chikage mentions they look like human cannons in circuses. Mira promptly imagines launching herself into space a la HumanCannonball to find asteroids. Ao reminds her it's not possible.
252* ImagineSpotting: In the forty-first chapter, Ao notices Mira imagines launching herself into the space a la HumanCannonball and tells her that's not possible.
253* ImmediateSelfContradiction: In chapter 17 of the manga (adopted as part of the fifth episode), the Earth Sciences Club caught Sayuri peeking into their own clubroom. When asking Sayuri about her motive, she says "No! No details for you!"... followed by a very detailed MotiveRant.
254* InMediasRes: In the manga, the way Mira and Ao met as children is narrated in the middle of the first chapter, as Mira explains why she wants to discover an asteroid. The anime, on the other hand, move it to the front, making it AMinorKidroduction.
255* InconsistentDub: The dub is inconsistent in name order. For example, Ao introduces herself to Misa as "Manaka Ao" in the third episode, while introducing herself as "Ao Manaka" while on [[spoiler:Ishigaki island]] during the eleventh episode.
256* InternalReveal: In the manga, Ao, as well as the readers, already learn in Chapter 23 that [[spoiler:Ao is going to move away from the town due to her father's job transfer]], but it is 4 chapters later, or about two months in in-universe time, when she tells the rest of the cast about this. In the anime, however, this internal reveal is converted to TheReveal through AdaptationExplanationExtrication; during episode 7 the viewers know Ao was told ''something'', but what is being told wasn't shown.
257** Mari and Mikage room together when they go to the same college.
258* InstantlyProvenWrong: During the second chapter, adapted as part of the first episode, Moe encourages Mira to speak to Ao and says "You know, what I always consider to be your best quality? You take action without overthinking." But when Mira immediately runs to Ao's classroom and shouts into that class to invite Ao to have lunch with them, Moe has to correct herself:
259-->'''Moe:''' But then you take it too far!
260* ItsAllMyFault: Both Mira and Mai get this in the twenty-third chapter (animated in the seventh episode), when they heard that Ao [[SickEpisode gets sick]]. At first, Mira gets this since she thinks Ao gets sick because of their stargazing the previous night when the weather gets unusually cold. Upon hearing this, Mai gets this as well, since, as the club president, she thinks she's responsible for one of its members falling sick from a club-related activity (despite it being more Mira and Ao's activity rather than the club's). The irony is that neither of them is at fault for this. Ao gets sick because she gets a HeroicBSOD the night before [[spoiler:after she heard that the family's [[ReallyMovesAround going to move again]]]], and stayed in the bath for 3 hours.
261* JapaneseRanguage: When the club is in UsefulNotes/{{JAXA}}, Mikage asks the staff about the requirements for an astronaut for Mari, and Mari thanks with a very heavily accented "Thank you very much." Since one of the stated requirements is being good in English...
262-->'''Mikage:''' You need to work more on your pronunciation.
263* JapaneseSchoolClub: Mira reluctantly joins the Earth Sciences Club after learning that the Astronomy club is to be merged with them due to both lacking enough members to be full clubs by themselves.
264[[/folder]]
265
266[[folder:Tropes L - N]]
267* LastNameBasis:
268** Apart from Mira and Ao, most of the cast go by their last names or nicknames derived from their surnames. The only exception is Chikage "Chika" Sakurai, but that's because her sister Mikage has already taken the nickname "Sakura".
269** PlayedForDrama in Chapter 40. [[spoiler:Keiko, Mai's ChildhoodFriend who brought the latter to cartography]], calls Mai "Inose", indicating her distaste of Mai's still into maps and urban exploration.
270* LastSecondPhotoFailure: In Chapter 30 / Episode 9, Earth Sciences Club takes a group photo. Mai handles the photography, and when she runs back to her position after started the countdown, she tripped backwards on a step when the countdown ends, causing [[https://static.tvtropes.org/pmwiki/pub/images/ail09_snapshot_1655943.jpg the photo]] showing her falling back.
271* LaymansTerms: In Chapter 27/ Episode 8, Mira asks Misa to do this when the latter suggests Ao tell her parents she doesn't want to [[spoiler:leave with them]], "armed with a specific solution about how you want to live your life".
272-->'''Moe:''' I'm sorry, but what?\
273'''Mira:''' Can you just talk to us like the children we are?
274* LastDayOfSchoolPlot: The thirtieth chapter is about the activities of the Earth Sciences Club on the last day of school, when Mikage and Mari are going to GraduateFromTheStory. We see younger members of the club giving souvenirs to the two graduates, and they take a group photo. The main emphasis of the chapter, though, is Mari--she recalls the early days when the Astronomy (which she belonged to) and Geology clubs were merged by administrative fiat and questioned whether she enjoyed the club or not. She is surprised by the album the underclassmen give her, as it shows she ''did''.
275* LastSecondPhotoFailure: In [[LastDayOfSchoolPlot Chapter 30 / Episode 9]], the Earth Sciences Club takes a group photo, among others. Mai handles the photography, and when she runs back to her position after starting the countdown, she tripped backwards on a step when the countdown ends, causing [[https://static.tvtropes.org/pmwiki/pub/images/ail09_snapshot_1655943.jpg the photo]] showing her falling back.
276* LeaveTheTwoLovebirdsAlone: A variation is PlayedForLaughs in the twelfth chapter, adopted in the fourth episode. When the Earth Sciences Club is at the Geological Museum, Mikage is squeeing over the exhibits, and then Mai is squeeing over Mikage behind the latter. Seeing this, Mari blocks Mira and Ao from moving forward and lets the two have a bit of me time.
277* LettingTheAirOutOfTheBand: In the BeachEpisode, the girls wonder if Mai deliberately selected the last round of a competition between Ao and Moe, to see who should have the honour of being counted as Mira's best friend, since the contest ended in what is essentially a tie- Moe jumped off the boat to save Mira, while Ao jumped off to save Moe- resulting in an amicable resolution to the issue. The music swells, creating a heartwarming tone, only to rapidly go out of tune when it turns out Mai is admiring some strata formations and was unlikely to have foreseen this outcome.
278* LittleNo: A variant. In the forty-fourth chapter, the Earth Sciences club is brainstorming ideas for the upcoming SchoolFestival. Mira provides many plans, although all of them are rejected by [[OnlySaneMan Ao]], by a small but firm "Denied." %%This is talking Mira's second year.
279* LongDistanceRelationship: To some of the cast (especially [[ShipperOnDeck Moe]]), this is [[DefiedTrope barely prevented]] for the main duo [[spoiler:due to Ao's family's plan to move out of town in Chapter 27]]; it is for this reason Moe suggested taking turns to be each other's "weekend commuter wife".
280* LostInTranslation:
281** In the first episode / third chapter, Mira opined ''[=KiraKira=]'', Ao's suggested title for the club newsletter, as a "Nice Kira-kira name", in GratuitousEnglish. Here Mira, while giving genuine praise on Ao's suggestion, is also punning on the "Kira-kira name", [[https://www.japantimes.co.jp/news/2019/03/12/national/japanese-teens-post-name-change-goes-viral-twitter-sparks-conversation-unusual-names/ the Japanese equivalent]] of WhoNamesTheirKidDude. In translations, the latter reference is unavoidably lost. At a minimum, the official Chinese manga translation put this double meaning in a Translator's Note.
282** Mari's college entrance storyline between Chapters 24 to 30 (or Episodes 7 to 9) involves Mari failing to be admitted by recommendation but succeeding in getting into the same program by examination. Many Japanese universities allow candidates to apply twice in the same cycle, once "by recommendation", or on the strength of their schools' references, and once through the traditional exam route. Few countries routinely allow applying to the same program twice during the same cycle, meaning that the storyline can be quite difficult to understand elsewhere. Taiwan is one of the few places that allows this, so their licensed translation averts this, the problem is the license [[SeparatedByACommonLanguage also covers Hong Kong and Macau, which don't]].
283* LowerDeckEpisode: The forty-fourth chapter gives focuses on Yuu and Chikage, the younger members of the Earth Sciences Club, as well as Moe's sister Megu. Mira only makes an appearance in the second-last strip of the chapter, and Ao, Mai, and Moe do not show up at all.
284* LuminescentBlush:
285** In the first chapter/episode, when Mira goes on with the story between her and a boy call Ao many years ago, the blue-haired girl sitting next to Mira in the Earth Sciences clubroom starts blushing. It is because of this trope Mari and Mikage suspect that other girl's involvement in Mira's story...
286--->'''Mikage:''' Can you tell me why you're blushing, Ao Manaka?\
287'''Mira:''' [[BigWhat EHHH]]!? You're [[UnsettlingGenderReveal him... or her]]?
288** In the seventh chapter, [[HatesBeingTouched Ao]] also gets heavily blushed when Misa approaches her closely. When adopted as part of the third episode, she is even redder than in the previous example.
289* LyricalColdOpen: The opening theme, ''Aruite Ikou!'', starts with the vocals.
290* MathematiciansAnswer: Mai gives one when Mira noticed she is holding two maps when they [[NewYearHasCome visit the shrine at new year's]]:
291-->'''Mira:''' Hey, Ino. Are those...?\
292'''Mai:''' They're maps!\
293'''Mira:''' Yeah, I know that! What I meant was... why do you have two?
294* MarilynManeuver: In an animated part of the twenty-second chapter, Mari explains to Mai some photographic terms, including the phrase "exposure correction." Mai has an ImagineSpot over what that phrase means--that of Mari doing one of these while the latter's eyes were censored by a CensorBox. Bonus points to the fact that Mari's InSeriesNickname is "Monroe," in a [[NamedAfterSomebodyFamous direct reference to]] Creator/MarilynMonroe.
295* MartialArtsHeadband: Discussed. In Chapter 24, when Mikage tells the rest of the Earth Sciences Club she for a principal's recommendation for her first-choice college[[note]]A commonly used college admission pathway for many Japanese (mainly private) colleges: they will officially ask some (or all) high school principals to recommend students (with those students' consents) to their college, with an upper limit for each high school. If the college accepts the recommendation, then the student is given a binding offer.[[/note]], both Mira and Ao's responses look a bit flat. When Mikage asks them, Mira says the usual image of people preparing for college admission invokes an image (ImagineSpot appears) of a student usually involves them wearing this and the OpaqueNerdGlasses, and studying hard until the admission exams end in January, and so the fact that Mikage is ''already'' done is a bit of an anticlimax to them.
296* MeaningfulGift: During their time at the {{hot springs|episode}}, the Earth Sciences Club heard from the other users about Endou-sensei's [[ApatheticTeacher burnout issues]]. On the next day, Mira gives Endou a gift of... bath salts, since she heard that the hot springs are actually one of Endou's biggest breathers.
297* {{Meido}}: Suzuya Bakery's staff uniforms take inspiration from the English maid style. Similarly, the Earth Sciences Club's booth during the SchoolFestival is something of a maid cafe, so the girls also wear this type of outfit.
298* MementoMacGuffin: {{Invoked|Trope}} but {{averted|Trope}}. Ao buys a pair of constellation-themed mugs, intended to be this to Mira [[spoiler:as she is expected to move out of town in a few months]]. Averted as eventually [[spoiler:Ao lives in Mira's sister's room instead, as the latter is gone for college]].
299* MindProbe: PlayedForLaughs. During the Ishigaki arc, when Shiho tells [[spoiler:Ao]] she finds the latter's brain "interesting", the latter has an ImagineSpot of Shiho doing this to her.
300* MindlinkMates: PlayedForLaughs in the adaptation of the third chapter during the first episode. Mira and Ao look at the activity program of the newly merged Earth Sciences club, and they have such similar opinions that Ao says the first half of the sentence, and Mira finishes the rest. As a result, Mari suggests some kind of telepathy to be in play.
301* AMinorKidroduction: The anime starts with how Mira and Ao, then as children, made ThePromise.
302* MistakenForFlirting: Moe mistakes Misa's holding Ao's jaw and looking into her face for Misa flirting at Ao. Since Moe has a crush on Misa, this causes her to Dramatic Drop items on her as she seethes in jealousy. Doubles as Moe's QueerEstablishingMoment.
303* MistakenForLesbian: In the thirty-fourth chapter, Ao tells Yuu and Chikage she and Mira can work on their shining Star Challenge applications because [[spoiler:they are living together]]. Yuu goes BlankWhiteEyes and...
304-->'''Yuu:''' '''W-W-W-W-What sort of relationship are you two in!?'''
305* MomentKiller: During the HotSpringsEpisode Mira and Ao noticed there is a full moon, and started [[StargazingScene appreciating the sky (again)]]... until Mari starts moaning from the jacuzzi.
306-->'''Mira:''' Have some dignity!
307* MoodWhiplash:
308** In a part of Chapter 26 that was not adapted into the anime, Ao is troubled over [[spoiler:her father's impending transfer, and the fact that she'll have to say goodbye to her friends]]. While thinking about [[spoiler:how to break the news to everyone else]], she gets a message from Mira, with a picture of herself making a ScaryFlashlightFace, with a message, "Celebrating our breaker tripping(light bulb)," at which point Ao cracks up.
309** In Episode 8, after a heartwarming moment in which Suzu tells Ao that they're [[spoiler:brainstorming ideas to deal with her parents moving away]] because they like her, Misa shows up at the meeting with a set of Groucho Marx glasses, before offering her audacious but sincere advice.
310* MovingAngst: Approximately half a year after [[TheQuietOne Ao]] reunited with [[GenkiGirl Mira]], Ao was told their family is moving [[ReallyMovesAround again]], at which point she nearly immediately gets a HeroicBSOD (and got {{sick|episode}} because of it). Ao keep it hidden for the next two-and-a-half months owing to it starts to become her TraumaButton, but is forced to come clean [[NewYearHasCome two months later]] because she's [[OOCIsSeriousBusiness being too off]]. At which point ''Mira'' gets her [=BSoD=] how she didn't notice, and thinks she's a "failure of a friend." [[spoiler:Mira's sister Misa offers to stay in her room when she's off for college, Ao, who [[ShyBlueHairedGirl has trouble speaking up]], persuades her mother to let herself to stay in town according to Misa's offer, which is accepted.]] A later chapter indicates the Manakas move from a Tokyo suburb to Akita City, at a distance of 5 hours' of the Bullet Train.
311* MySkullRunnethOver: PlayedForLaughs. After Misa hears Mira complaining her difficulties in memorizing all the formulae used in physics, [[GoodWithNumbers Misa]] suggested Mira just derive those herself. Mira immediately gets BlankWhiteEyes with steam coming out from her skull...
312-->'''Suzu:''' Misa-nee! Mira's gonna explode!
313* NamedAfterSomebodyFamous: An in-universe example in the eighteenth chapter, adapted as part of the fifth episode. Misa names the koi fishes at the school pond after several physicists: [[UsefulNotes/RichardFeynman Feynman]], (Paul) Dirac, (Enrico) Fermi, and (John) Cockcroft.
314* NaughtyBirdwatching: Being a series about astronomy, binoculars are usually used for their [[StargazingScene intended purpose]]. In the PrintBonus ''Suzu's Research'', however, we see Moe using them to do GirlWatching, to the point of StalkerWithoutACrush.
315* NewJobEpisode: The sixteenth chapter, adapted as part of the sixth episode, involves Mira and Ao working at the Suzuya Bakery for one day, mainly to earn money for club activities.
316* NewYearHasCome: Mira, Ao, and Mai visit a shrine per the Japanese tradition in the eighth episode. This scene is PlayedForDrama, however, as Mai finds [[OOCIsSeriousBusiness Ao's off-character behaviour concerning]]. It is at this point Ao drops [[WhamLine the bombshell that she has bottled up for two months]]: [[spoiler:due to her father's job transfer, she may have to move away from the town by the end of March]].
317* NoCommunitiesWereHarmed: The town where the story happens is not named. However, the anime shows several local features that would indicate it happens in Kawagoe, Saitama.
318* NoLongerWithUs: PlayedForLaughs in Chapter 20. Mari tells Mira and Ao about why she is [[GoalInLive fascinated with being an astronaut]]. She mentions she was significantly influenced by her grandmother who, among others, mentioned having purchased land on the moon and wanted to be buried there when she died. Mira and Ao immediately thought Mari's grandmother already died, so Mari shows them a recent photo with her and her grandmother to clarify the latter is still alive and well.
319* NoodleIncident: Endou's experience in the Shining Star Challenge. It has been mentioned in a bit of detail during the Ishigaki arc, but other than the fact that Endou and co. did not discover any new astronomical object and she gets acquainted with two friends, it was never narrated in detail.
320* NotSoDifferentRemark: A benign variant happens in the ninth episode. After Misa gives her advice to Ao regarding the latter's dispute with Mira earlier this episode, she added that despite all her big words, she's worried about her new college life, especially because she's really bad at housework. Ao, who's also bad at housework, silently nodded.
321-->'''Ao:''' ''Suddenly, I feel much closer to her.''
322* NotWhatItLooksLike: During the thirty-fourth chapter, adopted in the tenth episode, Mira tells Yuu and Chikage that she and Ao have been polishing up their entrance essays for Shiny Star Challenge every night. Upon hearing the phrase "every night", Yuu wondered whether they are JapaneseDelinquents for walking around late every night. Mira {{facefault}}s, and Chikage has to explain to Yuu what she learnt from Mikage: [[spoiler:Ao is living away from her parents with Mira so that they can [[GoalInLife find an asteroid together]]]], so there is never any "walking around at night" to begin with.
323[[/folder]]
324
325[[folder:Tropes O - R]]
326* OOCIsSeriousBusiness:
327** Ao has been acting strangely since her SickEpisode, mostly seen during the ChristmasEpisode when she bursts into tears when reading Mikage and Monroe's album of club activities. However, what breaks the camel's back is in the NewYearHasCome arc: she quietly sighs as Mira loudly prays for "[[GoalInLife discover[ing] an asteroid with Ao]]".[[note]]It's more dramatic in the source material--in the twenty-seventh chapter, she attempts to RunningAwayToCry.[[/note]] It is at this point Mai presses Ao to come clean for all these, and the latter [[WhamLine drops the bombshell]]: [[spoiler:she will be moving out of town at the Spring Break due to her father's job transfer.]]
328** This trope partly contributes to Shiori deciding to consider Ao's plea [[spoiler:to stay in town]] in Episode 9/ Chapter 28. Ao seldom tells Shiori about her own life, and much less how she feels; so when she starts literally begging Shiori about this, Shiori concludes it must be ''extremely'' important to Ao.
329* OcularGushers:
330** Mai's HeroicBSOD for [[spoiler:being named the club president]] mainly involves crying in this way.
331** This is the ''default'' way Mira cries. For example, during the fourth episode, the club watches a video while visiting UsefulNotes/{{JAXA}} Space Center at Tsukuba. While the astronomy enthusiasts of the club are moved to tears at the end of it, only Mira does this -- Ao, Mari, and Endou-sensei all shown to have a SingleTear. It'd be a rather [[OOCIsSeriousBusiness serious business]] if she ''doesn't'' cry like this; her immediate response to [[spoiler:Ao's reveal that the latter is moving]] is crying with SingleTear.
332* OddReactionOut: In Chapter 12/Episode 4, the Earth Sciences Club -- formed by the merger of Geology and Astronomy clubs due to both being {{Club Stub}}s -- visited a UsefulNotes/{{JAXA}} facility as part of their summer camp. At the beginning of the visit, they were treated to a video screening. Afterwards, Milage, one of the formerly Geology members, noticed the two new members (who are astronomy enthusiasts) crying TearsOfAwe. She thought they were overreacting, but when she noticed the ''only'' other person who doesn't do that is the only other former Geology member, she realizes that are now in the minority.
333* OldFlame: While Mira and Ao's dynamic is more properly ChildhoodFriends, it is portrayed in a way not unlike this trope. In the first episode of the Creator/{{Funimation}} dub, Moe even uses this phrase to describe the relationship between the two.
334* OldFlameFizzle: {{Subverted|Trope}}. Soon after Mira and Ao's reunion, both of them mistakenly thought the other doesn't them anymore, although with some help from Moe, the misunderstanding was cleared up within a day.
335** [[ShyBlueHairedGirl Ao]], overwhelmed by [[GenkiGirl Mira]]'s greeting texts, answered them using an impersonal, business-like tone she took from a business letter guidebook. This "cold" reply is taken by Mira to mean Ao doesn't like her anymore.
336** Mira notes Ao looks very different from [[AMinorKidroduction the last time they met]]. Ao, realizing ''both'' UsedToBeATomboy and UsedToBeMoreSocial hits her hard in the interim, wonders if she has changed too much for Mira. A StargazingScene-over-the-phone shows Mira doesn't mind at all.
337* OldFriend: This is the forty-first chapter's premise. Specifically, Mai [[spoiler:reunited with her elementary-school era friend Keiko, who brought Mai into maps in the first place. At PresentDay, however, Keiko sees that as an EmbarrassingHobby and has a poor opinion on Mai's continued interest in this.]] Sayuri tries to reconcile the two.
338* OldSchoolBuilding: All non-sports clubs in Hoshizaki High School, including the Earth Sciences Club is located in a neglected building at the back of the campus. When asked about the building's condition, Endou states it still has drafty spots, but leaks are repaired.
339* OldShame: InUniverse. Moe reveals to Ao that Mira has "sweet, pure, self-made romance manga" hidden in her room. Mira immediately protests like this trope, because the {{Love Interest|s}} in those manga is none other than Ao herself.
340* OpenMouthInsertFoot: {{Deconstructed|Trope}}. Ao developed a fear of speaking because she was teased for one of these during the sixth grade when she accidentally made an innuendo: %%Funimation dub used.
341-->'''Ao:''' So hot... Anybody feel it's super wet today?\
342'''Classmate A:''' I think "humid" is the word you're looking for?\
343'''Classmate B:''' ''(yelling to the rest of the classroom)'' Hey guys! Ao just said something really dirty!\
344'''Other Classmates:''' Ao is dirty!\
345''(Ao gets QuiveringEyes)''\
346'''Ao:''' ''(at PresentDay)'' Since then, I've had trouble speaking up.\
347'''Suzu:''' ''[[UsedToBeMoreSocial That changed her whole personality]]?!''
348* OrangeBlueContrast: Mira and Ao's ColorMotifs are these two, in that order, which shows up in their personalities: Mira is an example of VibrantOrange, while Ao is BlueIsCalm plus a bit of ShyBlueHairedGirl.
349* OriginsChapter: The eighth chapter (animated as the last segment of the third episode) is mainly about how Ino started to be fascinated by maps, and how does that lead her to geology.
350* OverlyNervousFlopSweat: Mira breaks into this, with at least 11 drops of sweat visible, when she finds out Ao, the "boy" she made ThePromise with years ago, [[UnsettlingGenderReveal is actually a girl]].
351* PaperThinDisguise: In the eighth episode, Misa shows up to the meeting with glasses and a mustache disguise.
352* PassingTheTorch: Being the only second-year of the Earth Sciences Club, Mai will eventually succeed as the club president when Mari and Mikage graduate. That said, Mai is an ExtremeDoormat, so Mari and Mikage decide [[spoiler:to retire as president and vice-president half a year early so they can look after the transition]].
353* PervertedDrooling: [[LovableSexManiac Moe]] does this several times:
354** In Chapter 5 (adapted in Episode 2), it's revealed that [[CameraFiend Mari]] has been taking candid shots during the entire PicnicEpisode. Moe says she's going to buy those pictures while doing this as she takes out 3,000 yen in cash.
355** In Chapter 8 (adapted in Episode 3), Mai designed a TreasureMap game for Mira, Ao and Moe. Since it turns out Mai designed the game based on her own school life, and Moe's stated hobby is "[[StalkerWithoutACrush collecting girls' data]]"...
356--->'''Moe:''' ''(drools)'' I have no idea you can actually enjoy maps this way...
357* PhotoMemento: In the thirtieth chapter (animated in the ninth episode), the [[ClubStub Earth Sciences Club]] takes [[https://imgur.com/qbkjASU a picture]] outside of their clubroom, on Mikage and Mari's {{last day of school|plot}}.
358* PicnicEpisode: The Earth Sciences Club has annual barbecues to welcome new members. The club also uses the chance to showcase their activities in astronomy, geology, and eventually meteorology. These are animated in the second and tenth episodes.
359* PlatonicValentine: In Chapter 29, Mikage askes Moe, the local SweetBaker, to teach her how to make Valentine's chocolates in the same way a typical Japanese woman does a LoveConfession. When Mikage tells Moe she wants to make a lot of them, Moe freaks out at the prospect that Mikage is multi-timing. Mikage explains she's giving the chocolates to the members of [[ClubStub the Earth Sciences Club]].
360* PlayboyBunny: Mari dressed her up as this for the previous year's SchoolFestival exhibit, invoking it for the purpose of SexSells.
361* PluckyGirl: Mira and Misa are [[SiblingYinYang polar opposites]], but they share one thing in common: their insistence on self-reliance.
362** In the seventh chapter, Moe is going to tell Misa that [[GoalInLife Mira and Ao want to discover an asteroid together]] when Mira pulled Moe back, saying she'd rather do it by herself (i.e. without Misa's assistance).
363** Right after the previous scene, Mira gives Misa the banded stone she found during [[PicnicEpisode Chapter 4]] as a good-luck charm for the latter's college entrance exams. While we immediately know Misa uses that for Mira's aforementioned GoalInLife, Chapter 31 revealed why Misa does that--as for college admissions, she'd rather do that herself.
364* PoorCommunicationKills: When Mira asks Misa to opine on the article she wrote for the Earth Sciences Club's newsletter, what Misa actually means is it is a bit boring and too fact-intensive for a general-interest piece. The way she phrases it, though, can be read as the article is bland and generic. Mira is so upset that she runs back to her room, at which point Misa slumps on the sofa, face down, because of this.
365* PopUpTexting: While most texts appear on the characters' cell phones, in some scenes their conversations are reproduced this way. Some examples:
366** When Ao freaks out with Mira's messages in the first episode, Mira's messages are displayed through a speech bubble.
367** Mira and Suzu's conversation during the opening of the fourth episode, their messages appear in boxes that appear in the background.
368* PoseOfSupplication: PlayedForLaughs. Mira prostrates herself towards the hot springs during [[HotSpringsEpisode Chapter 6]] after Mikage discusses the potential origins of them, so as to express her gratitude.
369* PrincessCarry: Moe does this twice to Ao, and [[LovableSexManiac has nothing innocent in her mind]].
370** In Chapter 20 (adopted in Episode 6), Ao collapsed on Moe when Ao learns Moe started learning something about astronomy from the magazine Ao gave Moe in Chapter 15. Moe first [[PervertedSniffing sniffs]] Ao, then suddenly holds Ao up this way... as she gets an idea SchoolFestival refreshments, based on the fragrance of Ao's shampoo.
371** In Chapter 27 (adopted in Episode 8), Moe attempts to take Ao away for {{Elopement}} in this way.
372* PrintBonus:
373** Like all ''Kirara'' series, the author will add a full-colour "chapter" at the beginning of each volume. For example, the one on the first volume (also known as the "zeroth chapter") is about what Mira and Ao are thinking in the night before the first day of school.
374** Printed on the front and back, under the dust cover, is a mini-series called "Suzu's Research", involving gags of Moe [[StalkerWithoutACrush scooping the girls' data]].
375* ProductPlacement:
376** The former astronomy club has a Vixen [=A80Mf=] telescope. Vixen Optics is a Japan-based company that produces a variety of lenses, telescopes, binoculars, and spotting scopes.
377** The astronomy books shown in the anime are all real books published by one of the sponsors.
378* PreviouslyOn: Manga-only. Because the twenty-seventh chapter (adopted as the last part of the eighth episode) kind-of ends at a cliffhanger, as Misa proposes an audacious solution to tackle [[spoiler:Ao's impending departure due to her father's job transfer]], the first strip of the following chapter starts with a recap of Misa suggestion... This starts off normal since the voiceover sounds like what Mira would say in this situation. In the fourth frame, however, it turns out ''Moe'' is the one holding the voiceover microphone, and she starts talking PervertedSniffing Misa...
379-->'''Mira:''' Suzu-chan! Can you stop with the one-sided narration already!?
380* ThePromise: Mira and Ao's childhood promise to discover an asteroid forms the backbone of the story's premise.
381* PseudoRomanticFriendship: Mira and Ao are extremely close since they reunited, something fully recognized by their schoolmates that the most dramatic moments of the series to date is [[spoiler:Ao's impending move away from the town]] in Chapter 27/Episode 8. The fact that Mira mistook Ao for a boy for years and had a crush on "him", and the tendency for her to call joint outings "dates" cemented the "romantic" part.
382* PunBasedTitle:
383** The title of the series, ''恋する小惑星'', is a reference to ''Film/ChungkingExpress''. The film uses a CompletelyDifferentTitle in Japan, ''恋する惑星'' ("Planet in Love"), which is just one kanji away.[[labelnote:Further elaboration]]In Japan, the term for asteroid, 小惑星, is literally ''miniature planet''.[[/labelnote]]
384** Mira names her second SchoolFestival exhibit "Innocent World," intentionally including president Mai "Ino" Inose's name in it. [[spoiler:The exhibit is about maps in different contexts, and Mai is a cartography enthusiast.]]
385* PuppyLove: Mira and Ao first met when they were elementary schoolers. The fact that Mira has a long-standing crush on Ao (after mistaking Ao for a ''boy'') indicates this trope is in operation.
386* PurelyAestheticGlasses: Mikage uses these to invoke SmartPeopleWearGlasses when running the Geology club's SchoolFestival exhibit the year before Mira enters.
387* PutOnABus: After Misa moves out of the Konohata residence in Chapter 31, she only appeared twice, both briefly, as of the time of writing (February 2021, at Chapter 47)--once in an anime-original scene of her having a video-chat with Mira, and the other in Chapter 42 when she is shown coming back to the Kinihata residence for vacation, but the focus of that chapter is Ao, who leaves for seeing her parents.
388* QuakingWithFear: At the beginning of the second chapter--animated right after the opening credits in the first episode -- Ao trembles in fear as she gets overwhelmed by Mira's texts.
389* QueerEstablishingMoment: Moe is already established to enjoy GirlWatching and [[ShipperOnDeck making same-sex ships]] among her friends by the second chapter. However, her orientation is only revealed in the seventh chapter (animated in the third episode), when she is dripping with jealousy as she [[MistakenForFlirting mistakes her crush Misa for seducing Ao]]. This foreshadows her Coming Out in the twenty-ninth chapter, when she makes a LoveConfession to Misa after years of CannotSpitItOut.
390* QuiveringEyes: The artistic direction portrays this in a rather subtle way since only the gloss of the irises quiver. It appears in several scenes when the person is moved or shocked.
391** Several points in the first episode.
392*** In the AMinorKidroduction, when Mira suggests to Ao that [[ThePromise they should find an asteroid together]], Ao's eyes start to quiver.
393*** When Mira talks about her promise with a boy called "Ao" many years ago, ''that'' Ao, sitting next to Mira, gets this in addition to LuminescentBlush. Mira gets this the next minute, since [[UnsettlingGenderReveal Ao turns out to be a girl]].
394*** During a flashback, a younger Ao gets this when other kids started teasing for her OpenMouthInsertFoot.
395** In the NewYearHasCome segment of the eighth episode, Mira has this as she is shocked to learn that [[spoiler:Ao is moving away after the Spring Break]].
396* RealPlaceBackground:
397** [[https://bit.ly/2LDo51v Mira and Ao attend school in Kawagoe, Saitama]].
398** During the fourth episode, the Earth Sciences Club spends a few days with Yuki's grandparents in Tsukuba owing to their proximity to the [[https://bit.ly/39TzYZa Geological Museum, Space Centre, and The Science Museum of Map and Survey. The concentration of research institutes here resulted from a government initiative that was created in the 1960s to relieve overcrowding at Tokyo-based institutes and encourage Japanese scientific advancement]].
399** The shrine Mira, Ao and Mai visit in the AnimatedAdaptation of the NewYearHasCome arc is Washinomiya shrine, best known by anime fans for being the shrine where the [[Manga/LuckyStar Hiiragi sisters]] work.
400** The Eleventh and Twelfth episodes involve a summer camp operated by the National Astronomical Observatory of Japan at their Ishigaki base.
401** The fortieth chapter is about Mai, Sayuri, and [[spoiler:Keiko]]'s "memories" trip to [[https://gigazine.net/gsc_news/en/20180515-three-prefectures-border the only place in Japan]] where three prefectural borders meet at an accessible location.
402** The forty-second chapter is about Ao [[spoiler:visiting her parents]] in Akita city, where she visits several relevant attractions: the spot where Japan's first rocket (the pencil rocket) was launched in 1955, and the Mining Museum of the Akita University.
403* ReallyMovesAround: The Manaka family moves around a lot due to Ao's father's unspecified job. This is why it took Mira so many years to reunite with Ao. [[spoiler:This is also why Ao never fights back when her dad gets a job transfer, even though this time she's definitively ''not happy at all''.]]
404* RecapEpisode: Has one after Episode 6, halfway through the TwelveEpisodeAnime, and immediately after [[spoiler:Mari and Sakura step down from their positions as president and vice president of the Earth Sciences club]].
405* ReluctantFanserviceGirl: In the plural. The Earth Sciences Club understands they need to wear {{Meido}} costumes during the SchoolFestival exhibit to draw in visitors; the club's status as a ClubStub means it's important to its survival. Most of the members, though, find it embarrassing; Mikage wears a tracksuit over it when her classmates come to visit, while Mira and Ao are both embarrassed when their parents come by.
406* RhymeThemeNaming: This is often the case of FamilyThemeNaming in this series. Both cases also fall into AlphabeticalThemeNaming.
407** The Konohata siblings' names are Mira and Misa, just a consonant apart.
408** The Sakurai siblings' names are Mikage and Chikage.
409* RightBehindMe: When lining up with [[{{Tsundere}} Mikage]] to enter the Mineral Show, Mira starts to be typing on her smartphone as Mikage is looking away... and then Mikage looks back at Mira's phone and notices Mira is searching for "power stones to calm an angry person." Mikage gives Mira a noogie as a response.
410* RoommateDrama: Discussed. The first day [[spoiler:Ao]] moves into [[spoiler:her ChildhoodFriend Mira]]'s house ends with the two getting into a minor argument. When [[spoiler:Ao]] speaks with [[spoiler:Mira]]'s CoolBigSis [[spoiler:Misa]] regarding this, the latter mentions this trope is to be expected, just at different degrees:
411-->'''[[spoiler:Ao]]:''' I'm so happy to be living in the same home, but if this how our first day goes...\
412'''[[spoiler:Misa]]:''' It's only natural you'd be worried. You grew up in different environments and now you're living together. I'm sure all kinds of things will come up between you.
413* RousingSpeech: Mikage and Mari deliver one together to the main duo over the phone when it turns out that only one of them was selected to the Shiny Star Challenge--and are having so bad of a HeroicBSOD that no other character can handle.
414-->'''Mikage:''' You don't have time to waste moping. I mean, you cleared a major hurdle.\
415'''Mari:''' Mm! Besides, even if only one of you can go, you can still share the knowledge you gained there with each other.\
416'''Mikage:''' We're still here. If you need anything, just reach out.
417* RunningAwayToCry: In the manga's NewYearHasCome chapter, it is implied Ao attempts to do this after Mira states her new year's wish being [[GoalInLife finding an asteroid with Ao]] -- we don't get to see Ao's face, but she runs away from the shrine with a hand on the chest, being obviously upset from what sounds like a reiteration of their GoalInLife. It's at this point Mai finds the OOCIsSeriousBusiness too hard to ignore. In the anime, this trope is changed to a quiet sigh.
418[[/folder]]
419
420[[folder:Tropes S]]
421* SailorFuku: As noted by the series' profile image, Hoshizaki High School's girls' uniform is based on this design.
422* SameSurnameMeansRelated: When Mira and Ao enter their second year, one of the two new members of the Earth Sciences club introduces herself as Chikage Sakurai. The older members have suspicions, but before they can properly ask the new member for confirmation, the new member comes clean by thanking them for taking care of her older sister, the former vice president Mikage Sakurai.
423* SatelliteFamilyMember: [[{{Deuteragonist}} Ao]]'s {{unnamed|parent}} father is only known for having job reassignments every a few years that causes the Manaka family to [[ReallyMovesAround move rather frequently]]. This explains Ao's initial separation from Mira, and ''nearly'' caused their second separation.
424* ScaryFlashlightFace: During [[ChristmasEpisode Chapter 26]], Mira sends Ao a picture of herself doing this. While Ao had been troubled over [[spoiler:her father being transferred and having to move in March]], she cheers up for a moment.
425* ScaryScienceWords: During the SchoolFestival arc, Ao, who always has a problem with SesquipedalianLoquaciousness when explaining science, explains to a toddler that parts of the solar system model the Earth Sciences Club made for the festival represent the "asteroid belt", "circumstellar habitable zone", and "Edgeworth-Kuiper belt". The toddler goes BlankWhiteEyes and sobs in response.
426* SchoolClubStories: ''Asteroid in Love'' is about the Earth Sciences Club, formed through the merger of Astronomy and Geology clubs.
427* SchoolFestival: Preparations for the school festivals dominates the plot of the sixth episode, as well as part of the fifth. The Earth Sciences Club settles on a maid cafe emphasizing the club's interests, with the centrepiece being a boring core from the school playground, as well as a to-scale solar system model. Refreshments are provided by the Suzuya Bakery.
428* SchoolgirlSeries: This series is mainly about the school life of several schoolgirls in a JapaneseSchoolClub.
429* ScientificAndTechnologicalThemeNaming: An in-universe example in Chapter 18, adapted as part of Episode 5. Misa, the local TeenGenius, names the koi fishes at the school pond [[NamedAfterSomebodyFamous after several nuclear physicists]]: [[UsefulNotes/RichardFeynman Feynman]], (Paul) Dirac, (Enrico) Fermi, and (John) Cockcroft.
430* ScrewTheRulesIHaveConnections: When the rest of the club learns that Mira is the sister of the StudentCouncilPresident, Monroe attempts to invoke this ask asking Mira if she could lobby for more funding for their ClubStub. This is never followed through, so it's assumed to be averted.
431* SeniorYearStruggles:
432** Part of Mikage's storyline involves the fact that despite being a high school senior in a cast where everyone ''else'' has some kind of GoalInLife, [[DesperatelyLookingForAPurposeInLife she never had any, not even a single career goal, and finds it depressing]].
433** Mari goes through a slightly more dramatic version of it: she gets a rejection from her first-choice college the first time around and suffers a HeroicBSOD. She later gets in [[AchievementTestOfDestiny the hard way]].[[note]]Most Japanese universities allow applicants to apply twice using different criteria: school recommendations and examination results.[[/note]]
434* SeriesGoal: To fulfill Mira and Ao's ThePromise of finding an asteroid together.
435* SeriousBusiness: When Mikage asked Moe to teach her chocolate making in the ninth episode, the latter gets very excited as she eagerly gives Mikage a rapid-fire lecture about how to make chocolate. Mikage initially sees it as this trope and then realizes that's how Mikage comes across to others when talking about rocks.
436* ShaggyDogStory: Chapter 22, animated in the seventh episode. The main reason Mira suggested the Club to help with the children's stargazing event is to give Mai some confidence for [[spoiler:being [[PassintTheTorch the club president]]]]. The event went on pretty smoothly, but as it turned out--in the last panel of the chapter--that Mai messed up the photos.[[note]]See DamnYouMuscleMemory for the reason.[[/note]]
437* ShapesOfDisappearance: In Chapter 23, Mira goes to Ao's homeroom to invite her for lunch, only to found Ao isn't there. In the manga, this is portrayed by having a shaded outline of Ao with her name on it, with blinking effects.
438* ShipTease:
439** Mira and Ao's first meeting. In no more than a few hours, they not only made ThePromise but continues to treasure the person they met, and the promise they made, despite having not seen each other for years before the story started. As a result, [[YuriFan Moe]] declares them OldFlame.
440** On the topic of Moe, she isn't ''just'' a ShipperOnDeck. Not only she declares Mira and Ao as OldFlame in the beginning, but when the Earth Sciences Club and the Newspaper Club discuss [[spoiler:Ao's planned departure from town]], Moe's suggestion is the two "take turns being the weekend commuter wife", effectively declaring them being equivalent of a same-sex couple.
441** [[spoiler:Ao's WithAFootOnTheBus situation is resolved by her living in Mira's house because Misa's room becomes vacant owing to the latter going to college out of town. Misa]], who suggested it, calls it cohabitation. When Nanami learns the two living under the same roof, her first reaction is [[MistakenForGay accusing the two of being more than just friends]].
442* ShortTeensTallAdults: In both the manga and anime, the mothers are taller than their daughters. Yuuko is taller than Misa, who is taller than Mira, while Shiori is taller than Ao.
443* ShoutOut: Multiple:
444** As noted in PunBasedTitle, the title is a reference to ''Film/ChungkingExpress''.
445** When Mira and Moe enter the Earth Sciences Club room in the first episode or chapter, they see [[ThisIsMySide a sign with "heaven" (ten) on one side of the room, one with "earth" (chi) on the other side, and one with "man" (jin) in the middle]]. Mira wonders if they are at war, in reference to ''Series/{{Tenchijin}}'' (''Heaven, Earth and Man''), a UsefulNotes/SengokuJidai drama aired in Creator/{{NHK}} in 2009.
446** In the dub, Sakura calls Monroe a "[[Literature/ASongOfIceAndFire sweet]] [[Series/GameOfThrones summer child]]" before pointing out that every day of the year has a birthstone, not just every month.
447** Mira gives Mari the nickname "Monroe" and explains it as a reference to Creator/MarilynMonroe.
448** One of the {{Imagine Spot}}s Ao has when she finds out--after [[spoiler:moving into Mira's house]]--that Mira has little sense of privacy is that Mira starts reading her own books without permission. The book in question? ''{{Literature/The Hitchhikers Guide to the Galaxy|1}}''.
449* ShownTheirWork: Several institutes, including the National Astronomical Observatory of Japan, were consulted in the production process, and as such, information on astronomy, geology, cartography, and meteorology are painstakingly presented. From the techniques used in setting a telescope up to track an object of interest, the equipment and methods used to locate new asteroids, and all of the different facts surrounding the Earth Science Club's activities, everything seen in ''Asteroid in Love'' is true to their real-world equivalent.
450* SiblingYinYang:
451** Compared to her temperamental older sister Mikage, Chikage is more mellow and soft-spoken. Also, while Mikage is firmly focused on the study of geology as it pertains to real life, Chikage is more interested in the fantastical elements associated with geology, particularly fortune-telling.
452** Moe is an openly [[LipstickLesbian lesbian]] [[LovableSexManiac pervert]] who is into running the family [[SweetBaker bakery]]; her younger sister Megu is an athletic girl who shows little interest in romance or their FamilyBusiness.
453* SiblingsWanted: {{Discussed|trope}}, but {{averted|trope}}. In the forty-first chapter, Mira, Ao, Moe, Chikage, and Yuu are studying at Mira's house. At one point, Yuu shows some of her younger siblings' pictures, at which point the entire room realized that Ao is the only one among them that doesn't have a sibling. Mira suggests she be one, although Ao's lack of response indicates that's not what she feels.
454* SickEpisode: In the seventh episode, Ao comes down with a cold, and the Earth Sciences Club visits her.
455* SidetrackedByTheAnalogy: In an unadopted part of [[HotSpringsEpisode Chapter 6]], Mai mentions the most acidic hot spring in Japan has a pH as low as 1.2. Mari opines that the level of acidity exceeds that of lemons, then [[TheDitz Mira]] suggested it might be less sour if she adds [[SweetTooth sugar]], at which point Mira and Mari start to talk about lemonades and candied lemons.
456* SignificantNameShift: In chapter 40, Mai Inose reunites with Keiko Izumi, her ChildhoodFriend, while studying at the local library. While Keiko starts off calling Mai the more informal "Mai-chan," within a few panels Keiko starts calling Mai "[[LastNameBasis Inose-san]]," when Keiko learns Mai is still into maps and urban exploration, something that was their common childhood hobby, but now Keiko sees it as childish and {{embarrassing|Hobby}}.
457* SimpleScoreOfSadness:
458** A simple piano soundtrack accompanies several scenes where the sadness of at least some of the cast is evident:
459** During the part of the eighth episode from the time Ao [[spoiler:tells Mira and Mai she is moving]], and the ensuing discussions on how to minimize its impact, so as to underline the sense of sadness that news gives to everyone involved.
460** When Yuu discusses her FreudianExcuse for meteorology.
461* SittingOnTheRoof: In the second chapter (animated in the first episode), Moe gets Mira and Ao to have lunch together on the roof to handle the initial awkwardness between them. Moe turns out having to console Ao as the latter wonder if she has [[UsedtoBeMoreSocial changed too much]] for Mira. Note that like a few anime in TheNewTens, this roof is paved and has benches installed, indicating it is intended to be used by students.
462* SkewedPriorities: In Chapter 27, Mikage tells Mira that Mari has been texting non-stop on how to help with Mira and Ao despite she should be preparing for her college entrance exams. Upon learning that, in a manga-only bit, Mira muses, "Uh, that's a bit... are you fine with that?", suggesting Mari gets her priorities wrong.
463* SmartPeopleWearGlasses: Mikage {{invoke|dTrope}}s it during her SchoolFestival exhibit the year before Mira and Ao enter high school. She doesn't need any correction, but she put on glasses to look more professional and academic.
464* SneezeCut:
465** In the first episode, Ao laments her "lack of words". Moe says whatever verbal capabilities Ao has must be better than [[TheDitz Mira]]'s. In the next scene, Mira sneezes while cleaning her skirt in the bathroom.
466** In the eighth episode, Mai attempts to answer a question on the Earth Science Olympiad that requires choosing two options out of five. Since Japanese mark sheets usually name their options after the vowels, Mai decides to answer A-O after her underclassman Ao. In the next scene, Ao sneezes in her room.
467* SpiceUpTheSubtitles: {{Downplayed|Trope}}. This is a {{seinen}} series, but like any SchoolgirlSeries its language is usually quite tame (unless when Moe is [[LovableSexManiac being Moe]]). The dub, however, has for several times inserted intensifiers that sound like certain expletives, but it is kept at GoshdangItToHeck levels. In the following examples, the added portions are italicized.
468** In the fifth episode, when Ao noticed Sayuri dangling from above the clubroom...
469--->'''Ao:''' What ''the heck!?''
470** In the eighth episode, Mira finds Mikage finds Mikage can be cute WhenSheSmiles...
471--->'''Mira:''' It looks so ''freaking'' sweet right now!
472* SpitTake: In the thirty-first chapter, Mira serves some coffee to Ao, and Ao does this when she tries the coffee, [[MomentKiller killing]] a StargazingScene, because the coffee is ''far'' too sweet for her. In the anime, that scene was downplayed as Ao just gave a little grunt instead.
473* SpoilerOpening: Spoiler ending, specifically. The ending sequence shows the members of the Earth Science club with an object related to them, but in more than half of the cases, either the character or the object are introduced late in the series:
474** Mikage is staring at a test tube and Mari is reading a book. These are the farewell presents the rest of the club give them during the ninth episode: a test-tube replica of the boring core Mikage made for the SchoolFestival, and an album of club activities Mari took plus pictures of Mari the rest took.
475** Chikage and her interest in geomacy, as well as Yuu and her complex with the rain and TeruTeruBozu, are only introduced in the tenth episode.
476* StargazingScene: Being a series with an astronomy theme, ''Asteroid in Love'' has no lack of this. The following is an incomplete list.
477** The flashback in the first chapter/episode, when a young Mira has her first stargazing during a chance meeting with Ao, and when they made ThePromise.
478** In the fifth chapter, adapted in the second episode, the Earth Sciences Club's welcoming barbecue includes a stargazing session. For former members of the Geology Club, this serves as their introduction to astronomy, but the scene also includes Mira and Ao's reflection of their relationship.
479** The twenty-second chapter, adapted in the seventh episode, involves the Earth Sciences Club being voluntary instructors for a children's stargazing event.
480** During an anime-only part of the eleventh episode, the optical group of the Shiny Star Challenge does this on the rooftop of the Ishigaki Observatory while the staff are setting up. They are mostly talking about life.
481** Last but not least, there's an implication that Mira and Ao do that frequently together after they united. Before [[spoiler:Chapter 31 / Episode 9, when Ao starts cohabiting with Mira]], they usually so stargazing on their own balconies while chatting over stars on the phone.
482* StrangeMindsThinkAlike: In the forty-fifth chapter, Mira tells Ao she'd like something that the entire club can do for the SchoolFestival, without dividing into astronomy and geology like in the previous year. She suggests making a large exhibit that shows the different disciplines of the earth sciences, at which point Ao thinks Mira is still off. Later the day, the two called Mikage and Mari for ideas, and Mari's first idea... is exactly the same thing.
483* StrongFamilyResemblance: Mira and her mother Yuuko look very similar; the only difference is [[ShortTeensTallAdults Mira is shorter than Yuuko]] and the fact that Yuuko likes to tie her hair up into a bun. In addition, they text in a similar style that includes a large number of (LINE) stamps. {{Lampshad|eHanging}}ing this point, Ao comments "Like daughter, like mother" when she reads Yuko's text.
484* StunnedSilence: When Mikage tells Moe she wants the latter's help in making [[ChocolateOfRomance Valentines]], Moe gets stunned straight with BlankWhiteEyes. Mikage [[LampshadeHanging asked what happened with Moe's silence]]. Turns out Moe's response is due to Mikage's request to remind her of [[CannotSpitItOut her own problem with Misa]].
485* SuddenSoundtrackStop: An upbeat soundtrack starts in Episode 10 when [[spoiler:Mira]] found that she has been selected for the Shiny Star Challenge. After a minute or so of congratulation by the Newspaper Club, the soundtrack suddenly stops when [[spoiler:Ao]] announces that she doesn't make it.
486* SuperDeformed:
487** In the manga, the characters will routinely pull a ''Manga/HidamariSketch'' and morph into ''chibi'' moe-blobs for {{Imagine Spot}}s and punchlines. {{Averted|Trope}} in the anime, where the closest the characters get to Super-Deformed is BlankWhiteEyes; otherwise, they remain strictly on-model at all times.
488** The ''[[AndKnowingIsHalfTheBattle Sparkle Special]]'' segments mostly have the cast drawn in this style, being shorter, more rounded, and like they're drawn with brushes.
489* SuperSentaiStance: PlayedForLaughs in the sixteenth chapter, adopted as the second segment of the third episode. Mira attempts to play this while [[NewJobEpisode changing into Suzuya Bakery's uniforms]], but Ao points out this trope can't play with a single person.
490* SurprisinglyRealisticOutcome: While this is ''indeed'' a SchoolgirlSeries, it is rather hard on the facts due to its emphasis on the ComingOfAge angle of the genre. So this trope appears rather frequently.
491** Hoshizaki High School enforces the member requirement for its clubs, meaning that [[ClubStub any club that doesn't meet it]] will have to disband(or, in the case of the Geology and Astronomy clubs, merge in an awkward merger since their objectives relate to academic subjects).
492** Mira learns that asteroid discovery is not an easy task for amateur astronomers, as it requires sophisticated techniques and equipment that is not readily accessible for their club.
493** Somewhat related to the above, [[spoiler:when Mira and Ao take part in the Shining Star Challenge, they're unable to discover a new asteroid in a few days on the island, despite having the sophisticated techniques and equipment needed for it]].
494** Mai takes a preliminary test for the Earth Science Olympiad that she isn't fully prepared for[[note]]The competition assesses the whole gamut of earth sciences, most of which Mai has no experience on[[/note]], and in which she is competing against dozens of fellow earth science enthusiasts. She doesn't stand a chance, so she's not too surprised or disappointed when she fails.
495* SuspiciouslySpecificDenial: When Moe asks Mira why she's so eager to recruit new members, she says it's to prevent the club from [[ClubStub being disbanded due to a lack of members]]. But when Ao mentions increased membership means increased funding, Mira denies she's hoping to buy an equatorial mount for the club telescope with the new members...
496[[/folder]]
497[[folder:Tropes T - Z]]
498* TalkingInYourSleep: In the thirty-first chapter, Mira discusses some of the less-known behavior of her older sister [[StudentCouncilPresident Misa]]. Among these, Mira mentions Misa would look like the latter's doing math when she's asleep, with an illustration of Misa seemingly writing in air while she's lying asleep.
499* TearsOfAwe: In Chapter 12 of (adopted as Episode 4 of the AnimatedAdaptation), the Earth Sciences Club's Summer Camp includes (among others) a visit to the UsefulNotes/{{JAXA}} headquarters at Tsukuba. The JAXA visit starts with an introductory video, and at the end of the video, Mikage and Mai, who belong to the geology side of the club, notice both Mira and Ao, their astronomy-enthusiast underclassmen, are in tears ([[GenkiGirl Mira]] is even in OcularGushers mode).
500* TearsOfFear: PlayedForLaughs. Mikage gives out this when Ao gives her a huge DeathGlare when she raises the possibility of Mira moving to the Geology Group.
501* TearsOfJoy:
502** {{Subverted|Trope}} during the ChristmasEpisode. Ao falls into tears when she reads the album of club activities over the last year. When asked for the reason, she says it's this; but as manga readers already know at this point, and the anime would show in the next segment, the actual reason is [[spoiler:Ao is going move away from the town in a few months.]]
503** Played straight during the tenth episode. When Chikage calls her sister Mikage in the clubroom to console Mira and Ao, ''Mai'' gets OcularGushers as she finds the voices of her senpais reassuring.
504* TechnicianPerformerTeamUp: The main duo follows this dynamic. Mira is a GenkiGirl who, despite [[TheDitz not the most intelligent]], is good at explaining science in different ways. Ao, on the other hand, is very knowledgeable in astronomy and is generally rather intelligent, but she also has the quirk of explaining science in SesquipedalianLoquaciousness regardless of audience, not to mention she's a bit timid.
505* TechnicolorEyes: The women in the Konohata family all have purple-and-gold eyes that are vaguely reminiscent of a sun in space.
506* TerriblePickUpLines: As Mira and Mai [[SickEpisode visits Ao, who has fallen ill]], Moe deliberately gives Mira a list of pick-up lines for girls, and tricks Mira into saying it to Ao. Mira's clumsy delivery, however, neutralizes any potential effects of those lines on Ao...
507-->'''Mira:''' Also, uh... ''([glances at her phone blushing])'' You are my sun and moon... I-I really want you to get better soon. So you can light up my heart all over again! \
508''(Ao looks at Mira with puzzlement)''
509* TeruTeruBozu: The series started using it as a story element when the meteorology enthusiast Yuu joins the Earth Sciences Club.
510** In Chapter 33 / Episode 10, it rained on the day the club holds its orientation barbecue. Mai suggests the members make a lot of them so that the sky will clear up earlier
511** Just one episode later, Yuu herself suggests the club tieing these in hopes that the weather around Ishigaki Island will clear up, enabling [[spoiler:Ao and Mira]] to find an asteroid while they're there.
512* ThatCameOutWrong: Mira recalls Ao [[UsedToBeMoreSocial used to be more talkative]]. It turns out that Ao became uncomfortable speaking to others after she described being humid as being "wet", resulting in her classmates teasing her for having said something embarrassing.
513* ThisIsMySide: {{Subverted|Trope}}. As Mari recalls the early days of the post-merger Earth Sciences Club in the thirtieth chapter, animated in the ninth episode, she originally sees Mikage's decision to divide the newly merged club into Geology and Astronomy groups as this, since she notices quite a bit of unfriendliness from Mikage. In hindsight, however, she sees it as a practical concern since the activities of the former clubs were too different, and it's hard to manage without dividing it like that--it's just Mikage is being {{Tsundere}} about it.
514* TitleDrop: The forty-second chapter's {{eyecatch}} shows Ao sitting on a luggage with several stickers, one of which simply says "Asteroid in Love".
515* TooMuchInformation: As Misa is trying out Moe's pancakes during the first SchoolFestival arc, Moe further explained that the pancakes are honey-and-milk flavoured, inspired by Ao's hair ([[PervertedSniffing that she sniffed]] the [[ContinuityNod previous chapter]]). Ao, who is nearby, was a bit shocked.
516-->'''Ao:''' Suzu, you don't have to share ''that'' with her?
517* TreasureMap: Mai's interest in cartography comes from the recreational use of this: treasure maps her elementary-school friend [[spoiler:Keiko]] made for her as simple treasure-hunt games. She became interested in maps as she was fascinated by the experience of exploring with maps, even in places she knows a lot about.
518* TrivialTragedy: Ao explains to Moe In Chapter 2 / Episode 1 that she is [[TheQuietOne more reserved]] than in the past because she [[ShyBlueHairedGirl becomes extremely reluctant to speak of others]] for fearing she'd "[[OpenMouthInsertFoot mess up]]" again. When Moe asks what ''exactly'' happened for Ao to develop such fears, Ao recalls it was due to one single incidence of it, leading to Moe being surprised about ''that'' on its own [[UsedToBeMoreSocial changed Ao's entire personality]].
519* TwistedKneeCollapse: Ao collapses from overwhelming emotions on the balcony of her home in the second chapter (animated in the first episode) when Mira tells her the latter has been learning a lot about astronomy due to Ao's influence.
520* TwoLinesNoWaiting: In the anime, the Ishigaki arc is structured like this. On one hand, Mira [[spoiler:and Ao]] participate in the Shiny Star Challenge on Ishigaki island, while the rest of the Earth Science Club plus its alumni go to the club's annual summer camp, this time also at Tsukuba.
521* TwoTeacherSchool: Apart from Endou, the only other named faculty member is a home ec teacher named Araya.
522* UndisclosedFunds: The club budget for the Earth Sciences Club isn't disclosed, but Mira and Ao are rather disappointed when they see it, implying that it is quite low.
523* UnsettlingGenderReveal: She gets over it quickly, but Mira is initially shocked to learn that the "boy" she'd been daydreaming about for years is actually the girl sitting next to her in the club she just joined.
524* ValentinesDayEpisode: Part of the ninth episode involves this, including Mikage asking Moe for a crash course for {{chocolate|ofromance}}-making. On the day itself the club itself engages in a typical exchange of friendship chocolates, but Moe [[spoiler:gives Misa a ChocolateOfRomance]].
525* VerbalBackspace: In Chapter 19/ Episode 6, the Newspaper Club interviews the geology team's attempt to perform boring (as in drilling) at the school playground using a makeshift bore.
526-->'''Ayano:''' But it looks too shabby to call a machine.\
527''(Mikage gives Ayano a dirty look)''\
528'''Ayano:''' Wow, it combines a simple design and affordability! Fantastic!
529* VisualPun: Quite frequent in the manga (but not in the anime), usually due to Mira misunderstanding a new scientific term.
530** In the [[StargazingScene fifth chapter]], Ao mentions the asteroid Vesta. Mira somewhat immediately switched to a "Western-style" school uniform with a vest (Hoshizaki uses SailorFuku) and asks whether Ao means a vest.
531** In the seventh chapter, Misa has to explain to Moe that [[MistakenForFlirting she wasn't seducing Ao]], and Ao's more like an experimental animal than anything. In the few panels after that, Ao is drawn as a hamster but with her bangs and face. In the anime, this is modified by Misa drawing the same Ao-hamster in a notebook, assumed to be showing to Moe.
532** In the eighteenth chapter, Mikage raises the term "boring" (as in drilling). Mira immediately pretends to be bowling. Japanese approximates "bowling" in a way that's identical to "boring".
533* WallOfBlather: When the cast are looking at different mineral samples at the Geological Museum in an unanimated part of the eleventh chapter, Mira and Ao come across the heart-shaped Japan-law twin crystals. Ao wonders how it's formed, and Mira suggested it might just likematerials molded into a heart-shaped cavity. Ao [[http://imgur.com/a/yWHq5PV falls into a dilemma about how to respond]], handled through this in a ''[[InnerMonologue thought bubble]]''.
534* WasTooHardOnHer: Doubles with PoorCommunicationKills. When Mira asks Misa to opine on the article she wrote for the Earth Sciences Club's newsletter, what Misa actually means is it is a bit boring and too fact-intensive for a general-interest piece. The way she phrases it, though, can be read as the article is bland and generic. Mira is so upset that she runs back to her room, at which point Misa slumps on the sofa, face down, because of this.
535* WesternZodiac: The second episode has the Earth Sciences Club explore the different zodiac constellations, and the zodiac is also featured in each episode's eye-catches.
536* WhamEpisode:
537** Episode 6. [[spoiler:In the end, Mari and Mikage step down as president and vice-president of the club, leaving Mai as president, Mira as vice-president, and Ao as treasurer]].
538** Episode 8. [[spoiler:Ao reveals to Mira and Mai that she'll be moving in March, during Spring Break]].
539* WhamLine: Accompanies with WhamEpisode.
540** Episode 6, at the end of the school festival, the club leaders have an announcement.
541--->'''Mari:''' As of today...\
542'''Mari and Mikage in unison:''' [[spoiler:we're both stepping down as president and vice-president.]]
543** In Episode 8, Ao, who'd been acting strangely since late in the previous episode, says why.
544--->'''Ao:''' [[spoiler:The truth is, it's been decided that my dad's going to be transferred... and [[WithAFootOnTheBus I'm supposed to move away with him.]]]]
545** In Episode 10, Mira and Ao hear back from the Shining Star Challenge. [[spoiler:Mira is accepted, but...]]
546--->'''Ao:''' [[spoiler:Sorry, I... didn't make it.]]
547* WhamShot: Towards the end of Episode 10, Mira and Endou are on their way out of the Ishigaki Airport when they heard somebody calling out for Mira. The camera then cuts to [[spoiler:Ao]] appearing in front of them.
548* WhenSheSmiles: Mira often spots them.
549** In Chapter 2 / Episode 1, Mira notes Ao is [[DefrostingIceQueen not really a "cool beauty" and she's super cute]] when she noticed the latter's smile the morning after they StargazingScene-over-the-phone.
550** There are several times when the [[{{Tsundere}} usually prickly Mikage shows her caring side]], especially when she takes note of her kouhai's achievements. Mira often [[LampshadedTrope takes note of this]], at which point Mikage turns back and goes back to her usual mode.
551* WholeEpisodeFlashback: About half of [[LastDayOfSchoolPlot Chapter 30]] consists of Mari's flashbacks on the days right after the club merger, as well as how she thought about her position as the club president, at the time she's going to GraduateFromTheStory.
552* WholesomeCrossdresser: In addition to Megu, Moe dresses up [[spoiler:Ao and Yuu]] as boys for [[spoiler:her second year's SchoolFestival]]. In [[spoiler:Yuu]]'s case, Moe noticed she looks better in a masculine uniform, and in [[spoiler:Ao]]'s case, Moe attempts to [[spoiler:make her GirlishPigtails even more girlish]] as part of her style, at which point she says she'd rather crossdress than this.
553* WideEyesAndShrunkenIrises: In the first chapter of the manga, Ao gets this when the other new member says she wants to find an asteroid. Downplayed when it is adapted in the first episode of the anime when her irises only shrink a little when that other member's companion calls her "Mira".
554* WingdingEyes: Downplayed as the second chapter is adapted as part of the first episode. When Ao gets overwhelmed by Mira's messages, exclamation marks are drawn over her eyes with a layer of transparency filter.
555* WishUponAShootingStar: The fifth chapter happens on a night at the peak of a meteor shower. Endou eventually kept the entire gang at the picnic site so that she can do this, but there wasn't a single shooting star visible to her that night.
556* WithAFootOnTheBus: The third segment of Episode 8 and the first segment of episode 9. This mini-arc started with [[spoiler:Ao]] declaring she will have to move away at the end of the school year because of her father's transfer. The Earth Sciences and Newspaper clubs having an emergency meeting in an attempt to minimize its impact on [[spoiler:[[HeterosexualLifePartners Mira and Ao]]]]. Mira's CoolBigSis Misa offers to stay in her room when she's off for college, [[spoiler:Ao, [[ShyBlueHairedGirl who has trouble speaking up]]]], persuades her mother to let herself stay in town according to Misa's offer, which is accepted.
557* WriteWhoYouKnow: InUniverse. Mira based the {{Love interest}}s in her romantic manga on Ao, which she mistook for a boy for years and thus has a crush on "him", at least until the UnsettlingGenderReveal when they reunited. This also shows the impression Ao has on Mira; despite having seen each other for just a few hours, the Ao in her manga looks enough similar to the current Ao that people who read those manga immediately get where Mira gets the inspiration from.
558* WrongAssumption: Since Mira acts like a complete [[TheDitz ditz]] during the club's [[PicnicEpisode welcoming barbecue]], Yuu assumes that Mira would completely follow that archetype and isn't expecting anything intellectual from her. The problem is, while Mira isn't the smartest girl around, she is uncharacteristically ''curious'' for TheDitz, and her [[GenkiGirl impulsivity]] can turn into motivation. Cue Yuu's utter surprise in the thirty-fourth chapter when she learns that Mira is seriously into ''[[GoalInLife asteroid discovery]]''...
559-->'''Yuu:''' Pigs don't fly!!\
560'''Chikage:''' Nana-chan, you sure pull no punches.
561* YeahShot:
562** To commemorate the end of the Shining Star challenge, Mira, Ao, Mikki, and Tomorin all hold hands and launch themselves into the air while Hayakawa-sensei snaps their picture. The same event happens in the anime, but they face away from the camera instead and jumping up against the setting sun.
563** {{Averted|Trope}} for the opening credits; despite the "Kirara Jump" being a staple of ''Manga Time Kirara'' adaptation [=OPs=], it doesn't appear there.
564* {{Yonkoma}}: Like all non-''Forward'' ''Kirara'' series, ''Asteroid in Love'' is published in 4-frame strips.
565[[/folder]]

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