History Main / Panspermia

12th Feb '17 4:29:37 AM Jallen
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* ''VideoGame/CorpseOfDiscovery'' sees humanity accidentally seeding an alien world (that may or may not be Earth) after the death of several explorers cultivates new life.
11th Feb '17 11:40:20 AM Xtifr
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* In Creator/NancyKress's ''Crossfire'', this is (or at least is suggested to be) the reason why planets around nearby stars have DNA-based life. Which tends to make things easier for settlers. However, it's shown not to be universal when a plant-like, spacefaring alien species is encountered which is ''not'' DNA-based.
8th Jan '17 3:06:47 AM SaulSal
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* In ''Anime/AndromedaStories'', earth is seeded with life when the twins Jimsa and Affle crash land and perish after escaping the destruction of their homeworld, located in the Andromeda galaxy.
3rd Dec '16 9:56:39 AM StarSword
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** The Ancients are a race of AdvancedAncientHumans that originated as a splinter faction of the Ori and emigrated to the Milky Way millions of years ago, using their technology to create life in human form in the Milky Way and Pegasus galaxies (on multiple planets in Pegasus, on Earth alone in the Milky Way; the Goa'uld started raiding Earth and [[TransplantedHumans creating slave colonies elsewhere]] way later). [[spoiler:They also inadvertently created the Wraith in Pegasus and were driven out of the galaxy by them.]]

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** The Ancients are a race of AdvancedAncientHumans that originated as a splinter faction of the Ori and emigrated to the Milky Way millions of years ago, using their technology to create life in human form in the Milky Way and Pegasus galaxies (on multiple planets in Pegasus, on Earth alone in the Milky Way; the Goa'uld started raiding Earth and [[TransplantedHumans creating slave colonies elsewhere]] way later). [[spoiler:They also inadvertently created the Wraith in Pegasus and were driven out of the galaxy by them.]]]] The Ori appear to have done the same in their home galaxy, probably where the Ancients got the idea.
3rd Dec '16 9:54:23 AM StarSword
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* The BigBad reveals this during his HannibalLecture at the end of the original ''[[VideoGame/XCOMUFODefense X-COM]]'', in an attempt to convince humanity that they should work together. Since the aliens have spent the entire game trying to brutally subjugate and murder the human race, and the aliens have been observed studying humanity as if they had no idea about our species, the point is pretty easily disproven. And then your soldier blows him up.

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* The BigBad reveals this during his HannibalLecture at the end of the original ''[[VideoGame/XCOMUFODefense X-COM]]'', ''VideoGame/XCOMUFODefense'', in an attempt to convince humanity that they should work together. Since the aliens have spent the entire game trying to brutally subjugate and murder the human race, and the aliens have been observed studying humanity as if they had no idea about our species, the point is pretty easily disproven. And then your soldier blows him up.


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* In the ''VideoGame/{{Polycon}}'' mod for ''VideoGame/EVNova'', the [[AbusivePrecursors Takari]] created the Polyconians to terraform worlds for Takari use, intending to later employ a "killswitch" virus to exterminate them. Unfortunately for them, some of the Polyconians survived, while the virus jumped species and wiped out the Takari instead.
2nd Dec '16 6:08:21 PM StarSword
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* The Ellimist (an extremely powerful LastOfHisKind god-like being) in ''Literature/{{Animorphs}}'' was responsible for creating the Pemalites. His evil counterpart, Crayak, also created his own species--the Howlers.
** What's more, he created the Pemalites specifically so that ''they'' would go out and "spread life around the universe".

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* ''Literature/{{Animorphs}}'':
**
The Ellimist (an extremely powerful LastOfHisKind god-like being) in ''Literature/{{Animorphs}}'' was responsible for creating seeded many planets with life during his war with his EvilCounterpart Crayak. This included custom-making the Pemalites. His evil counterpart, Crayak, Pemalites and giving them a mission to spread life across the galaxy themselves. Crayak also created his own species--the Howlers.
** What's more, he created the Pemalites specifically so that ''they'' would go out and "spread life around the universe".
Howlers.



* Franchise/StargateVerse - All humans and human-looking aliens are Ancient-seeded one way or another.
** Apparently, there's a ''machine'' that can be programmed to do this.

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* Franchise/StargateVerse - All humans and human-looking aliens Franchise/StargateVerse:
** The Ancients
are Ancient-seeded one way or another.
** Apparently, there's
a ''machine'' race of AdvancedAncientHumans that can be programmed originated as a splinter faction of the Ori and emigrated to do this.the Milky Way millions of years ago, using their technology to create life in human form in the Milky Way and Pegasus galaxies (on multiple planets in Pegasus, on Earth alone in the Milky Way; the Goa'uld started raiding Earth and [[TransplantedHumans creating slave colonies elsewhere]] way later). [[spoiler:They also inadvertently created the Wraith in Pegasus and were driven out of the galaxy by them.]]



* ''Franchise/StarTrek'' uses the SufficientlyAdvancedAlien version to explain all its RubberForeheadAliens--they actually are related. (This still doesn't explain all the Rubber Foreheads that Voyager runs into in the Delta Quadrant...)
** [[FridgeLogic On the other hand they'd still be about as related as birds and mollusks.]]

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* ''Franchise/StarTrek'' uses the SufficientlyAdvancedAlien version to explain all its RubberForeheadAliens--they actually are related. (This still doesn't explain all the Rubber Foreheads that Voyager runs into in the Delta Quadrant...)
** [[FridgeLogic On the other hand they'd still be about as related as birds and mollusks.]]
''Franchise/StarTrek'':



** The ''Series/StarTrekVoyager'' episode "Year of Hell" establishes that life on all planets in the Krenim sector is the result of the same comet passing through their orbits in distant past.

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** The ''Series/StarTrekVoyager'' episode "Year of Hell" establishes that life on all several planets in the Krenim sector is the result of the same comet passing through their orbits in distant past.



* Referenced in ''Series/BabylonFive''. An early episode states that the Centauri ''claimed'' at FirstContact that they and humans had a common origin, but DNA testing by the humans proved they weren't related. Centauri Ambassador Londo Mollari blames this on a clerical error.



* In Halo, the Forerunners believed [[AbusivePrecursors the Precursors]], a hyper-advanced race originating outside of the Milky Way, were responsible for seeding lifeless planets and speeding up the evolutionary process on planets that already had life.

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* In Halo, ''Franchise/{{Halo}}'', the Forerunners believed [[AbusivePrecursors the Precursors]], a hyper-advanced race originating outside of the Milky Way, were responsible for seeding lifeless planets and speeding up the evolutionary process on planets that already had life.
5th Sep '16 9:15:54 AM MarqFJA
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Frequently, this as used as part of a {{Reveal}}, and can lead to [[ContemplateOurNavels navel-gazing.]] Occasionally leads to MarsNeedsWomen, in cases of ''literal'' panspermia. See also TransplantedHumans, which is this trope in reverse (alien life coming from Earth).

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Frequently, this as used as part of a {{Reveal}}, and can lead to [[ContemplateOurNavels navel-gazing.]] Occasionally leads to MarsNeedsWomen, in cases of ''literal'' panspermia. See also TransplantedHumans, which is this trope in reverse (alien life coming from Earth).
Earth); and HumanityCameFromSpace, which is only about the human species being extraterrestrial in origin.
9th Aug '16 10:29:11 AM Ripburger
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* The BigBad reveals this during his HannibalLecture at the end of the original ''VideoGame/XCom'', in an attempt to convince humanity that they should work together. Since the aliens have spent the entire game trying to brutally subjugate and murder the human race, and the aliens have been observed studying humanity as if they had no idea about our species, the point is pretty easily disproven. And then your soldier blows him up.

to:

* The BigBad reveals this during his HannibalLecture at the end of the original ''VideoGame/XCom'', ''[[VideoGame/XCOMUFODefense X-COM]]'', in an attempt to convince humanity that they should work together. Since the aliens have spent the entire game trying to brutally subjugate and murder the human race, and the aliens have been observed studying humanity as if they had no idea about our species, the point is pretty easily disproven. And then your soldier blows him up.
17th Jul '16 6:17:13 PM nombretomado
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* The more scientific sort is a suggested origin of all life in the CoDominium universe (at least until ''The Mote in God's Eye'' introduces truly ''alien'' aliens.)

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* The more scientific sort is a suggested origin of all life in the CoDominium Literature/CoDominium universe (at least until ''The Mote in God's Eye'' introduces truly ''alien'' aliens.)
3rd Jul '16 4:38:51 PM UmbrellasWereAwesome
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* In ''Anime/SuperDimensionFortressMacross'' both humans and giant humanoid Zentradi are stated to be descended from an extraterrestrial race of {{precursors}} called the "Protoculture". Subsequent ''Anime/{{Macross}}'' series go on to imply that ''all'' intelligent humanoid life in the Milky Way are "Children of the Protoculture".

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* In ''Anime/SuperDimensionFortressMacross'' both humans and giant humanoid Zentradi are stated to be descended from an extraterrestrial race of {{precursors}} called the "Protoculture". Subsequent ''Anime/{{Macross}}'' series go on to imply that ''all'' intelligent humanoid life species in the Milky Way are "Children of the Protoculture".
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http://tvtropes.org/pmwiki/article_history.php?article=Main.Panspermia