History Main / CityPlanet

5th Jul '17 5:22:08 AM MarqFJA
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Finally, in some settings, a city occupies not a planet, but an entire plane of existence, a layer of a LayeredWorld, or other planet - like... thing.

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Finally, in some settings, a city occupies not a planet, but an entire plane of existence, a layer of a LayeredWorld, or other planet - like...planet-like... thing.
5th Jul '17 5:21:22 AM MarqFJA
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Another {{subversion}} can be that the city, despite covering an entire world, is no bigger than an "ordinary" city - because [[BabyPlanet the planet is so small]]. In the past, such stories seemed more realistic than they do today; however, many serious hard - SciFi tales involve colonizing an asteroid or a city - sized space station. In recent decades, computer image manipulation technology has resulted in these occasionally showing up in video games or humorous images.

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Another {{subversion}} can be that the city, despite covering an entire world, is no bigger than an "ordinary" city - because [[BabyPlanet the planet is so small]]. In the past, such stories seemed more realistic than they do today; however, many serious hard - SciFi tales involve colonizing an asteroid or a city - sized city-sized space station. In recent decades, computer image manipulation technology has resulted in these occasionally showing up in video games or humorous images.
4th Jul '17 12:42:08 AM JackG
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Added DiffLines:

** Harrison also points out that without forests and jungles, oxygen has to be imported as well.
25th Jun '17 4:05:09 PM Theriocephalus
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** The illustrations on some of the Basic Land cards are particularly impressive, depicting Forests as expansive gardens, Islands as the city's waterways and reservoirs, mountains as the tallest spires and centers of heavy industry, Plains as the suntouched rooftops, and Swamps as the sewers.
** Although the plane didn't used to be that way; in fact, there are still remnants of the wilds on Ravnica, and are primarily the home of the Gruul Clans and some members of Selesnya.

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** The illustrations on some of the Basic Land cards are particularly impressive, depicting Forests as expansive gardens, Islands as the city's waterways and reservoirs, mountains Mountains as the tallest spires and centers of heavy industry, Plains as the suntouched rooftops, and Swamps as the sewers.
** Although the The plane didn't used use to be that way; in fact, there are still remnants of the wilds on Ravnica, most of them in Ravinca's expansive and poorly explored Undercity or in ruined and overgrown areas of the world-city, and are primarily the home of the Gruul Clans and some members of Selesnya.the Selesnya Conclave.



* ''TabletopGame/{{Warhammer 40000}}'' has Comorragh, the city of the Dark Eldar.

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* ''TabletopGame/{{Warhammer 40000}}'' ''TabletopGame/Warhammer40000'' has Comorragh, the city of the Dark Eldar.Eldar. It's roughly the size you'd expect from this trope, but it's not on an actual planet -- rather, it's a collection of ports, fortresses, lesser settlements and assorted strongholds and refuges built by the Dark Eldar within the Webway (essentially a sort of pocket dimension consisting of a galaxy-spanning maze of tunnels and passages used by the various Eldar peoples for FTL travel) all closely linked by a large number of portals and passages to the point that, for all practical purposes, they act as a single, vast city.
4th Jun '17 8:33:34 PM Jormungar
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Because SciFiWritersHaveNoSenseOfScale, City Planets tend to have implausibly low populations. An Earth-sized planet with the population density of [[BigApplesauce Manhattan]] would have 4 trillion people, while a world [[SkyscraperCity covered with miles-high buildings]] would be far denser than that. But it's rare to see a planet with more than a trillion inhabitants. However, this assumes a near-universal population density throughout the planet and no large, minimally populated areas of automated processing, as the third option mentioned above would imply.

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Because SciFiWritersHaveNoSenseOfScale, City Planets tend to have implausibly low populations. An Earth-sized populations, even if the number quoted ''seems'' high. Assuming a city literally covered the surface of a planet the size of the Earth, with no large bodies of water or other uninhabited areas, a population of 1 trillion would have a density of around 5000 people per square mile, or five times smaller than that of New York City. Considering that such sci-fi cities are often said to have multiple levels as well, either fair portions of this "global city" must be largely empty or the planet must have a population density equivalent to that of [[BigApplesauce Manhattan]] would have 4 trillion people, while a world [[SkyscraperCity covered with miles-high buildings]] would be far denser than that. But it's rare to see a planet with more than a trillion inhabitants. However, this assumes a near-universal population density throughout the planet and no large, minimally populated areas of automated processing, as the third option mentioned above would imply.
rural township.
22nd Apr '17 4:46:05 AM DaibhidC
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* The ''Comicbook/{{Superman}}: The Man of Steel'' Legends of the Dead Earth annual had the world-city Metropole, capital of Lex Luthor the 60th's empire.

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* The ''Comicbook/{{Superman}}: The Man of Steel'' Legends "Legends of the Dead Earth Earth" annual had the world-city Metropole, capital of Lex Luthor the 60th's empire.
22nd Apr '17 4:45:43 AM DaibhidC
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Added DiffLines:

* The ''Comicbook/{{Superman}}: The Man of Steel'' Legends of the Dead Earth annual had the world-city Metropole, capital of Lex Luthor the 60th's empire.
2nd Apr '17 4:18:32 PM nombretomado
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* Parum from ''PhantasyStarUniverse''. Though large sections are given over to nature reserves, the majority of the planet is urbanized.

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* Parum from ''PhantasyStarUniverse''.''VideoGame/PhantasyStarUniverse''. Though large sections are given over to nature reserves, the majority of the planet is urbanized.
23rd Mar '17 1:56:55 AM AgentTasmania
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* A specific example from ''TabletopGame/{{Warhammer 40000}}'' is [[EarthIsTheCenterOfTheUniverse Holy Terra]], its oceans drained away and its surface completely overgrown with cathedrals and administrative buildings (the Imperial Palace itself covers most of Europe, while the Astronomican is inside a hollowed-out Mount Everest). The [[EternalEngine Forge Worlds]] of the [[MachineWorship Adeptus Mechanicus]] are planet-sized industrial sectors, while Hive Worlds are only partial examples, consisting of [[MegaCity enormous arcologies]] dotting a vast {{polluted wasteland}}. Finally, Necron Tomb Worlds are covered in eons-old alien ruins, beneath which deathless metal warriors slumber in stasis... at least until interlopers wake them up.

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* A specific example from ''TabletopGame/{{Warhammer 40000}}'' is [[EarthIsTheCenterOfTheUniverse Holy Terra]], Terra]],home to 16 trillion people its oceans drained away and its surface completely overgrown with cathedrals and administrative buildings (the Imperial Palace itself covers most of Europe, Asia, while the Astronomican is inside a hollowed-out Mount Everest). The [[EternalEngine Forge Worlds]] of the [[MachineWorship Adeptus Mechanicus]] are planet-sized industrial sectors, while Hive Worlds are only partial examples, consisting of [[MegaCity enormous arcologies]] dotting a vast {{polluted wasteland}}. Finally, Necron Tomb Worlds are covered in eons-old alien ruins, beneath which deathless metal warriors slumber in stasis... at least until interlopers wake them up.
15th Mar '17 2:27:36 PM AthenaBlue
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* In ''Film/JupiterAscending'', the planet Ourus, the birthplace of humanity, has buildings that stretch above the atmosphere and two artificial rings.



** In ''[[Franchise/StarWarsExpandedUniverse The Hutt Gambit]]'', Han Solo notes that the uppermost levels of [[WretchedHive Nar Shaddaa]] look like the lowermost levels of {{C|rystalSpiresAndTogas}}oruscant. He promptly resolves NEVER to visit the lowermost levels of Nar Shaddaa.
** It is interesting to note that Coruscant escapes some of the population questions specifically because it is depicted as having extensive areas dedicated to purposes other than habitation. In ''Film/AttackOfTheClones'' and ''Film/RevengeOfTheSith'' industrial zones and landing areas for spaceships more than a kilometer in length are shown. ''Everything'' is bigger on Coruscant! Even with vast areas that are unpopulated, ExpandedUniverse sources and one of the movie novelizations peg Coruscant's population at upward of 1 trillion permanent residents plus billions of transients. As a result, the planet has to import vast amounts of food from elsewhere.

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** In ''[[Franchise/StarWarsExpandedUniverse The Hutt Gambit]]'', Han Solo notes that the uppermost levels of [[WretchedHive Nar Shaddaa]] look like the lowermost levels of {{C|rystalSpiresAndTogas}}oruscant. He promptly resolves NEVER to visit the lowermost levels of Nar Shaddaa.
** It is interesting to note that Coruscant escapes some of the population questions specifically because it is depicted as having extensive areas dedicated to purposes other than habitation. In ''Film/AttackOfTheClones'' and ''Film/RevengeOfTheSith'' ''Film/RevengeOfTheSith'', industrial zones and landing areas for spaceships more than a kilometer in length are shown. ''Everything'' is bigger on Coruscant! Even with vast areas that are unpopulated, ExpandedUniverse sources and one of the movie novelizations peg Coruscant's population at upward of 1 trillion permanent residents plus billions of transients. As a result, the planet has to import vast amounts of food from elsewhere.elsewhere.
** In ''[[Franchise/StarWarsLegends The Hutt Gambit]]'', Han Solo notes that the uppermost levels of [[WretchedHive Nar Shaddaa]] look like the lowermost levels of {{C|rystalSpiresAndTogas}}oruscant. He promptly resolves NEVER to visit the lowermost levels of Nar Shaddaa.



* In ''Film/JupiterAscending'', the planet Ourus, the birthplace of humanity, has buildings that stretch above the atmosphere and two artificial rings.



* ''Series/DoctorWho''
** The new series features a library planet in "Silence in the Library"/"Forest of the Dead", which is deserted due to a colony of [[LivingShadow Vashta Nerada]].
** San Helios from "Planet of the Dead" was once one, before The Swarm reduced everything on that world to sand.

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* ''Series/DoctorWho''
''Series/DoctorWho'':
** The new series features a library planet in [[Recap/DoctorWhoS30E8SilenceInTheLibrary "Silence in the Library"/"Forest Library"]]/[[Recap/DoctorWhoS30E9ForestOfTheDead "Forest of the Dead", which Dead"]]: The titular Library is deserted an artificially-constructed [[ExactlyWhatItSaysOnTheTin library planet]]. It's been abandoned due to a colony an infestation of [[LivingShadow Vashta Nerada]].
** San Helios from [[Recap/DoctorWhoS30E15PlanetOfTheDead "Planet of the Dead" Dead"]] was once one, before The Swarm a HordeOfAlienLocusts reduced everything on that world to sand.
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