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Single Biome Planet / Star Wars

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Star Wars is a long-time bastion of Single Biome Planets.


  • The franchise is known for them: Hoth is an ice planet, Tatooine, Geonosis, Jakku and Jedha are desert worlds, Coruscant and Hosnian Prime are city planets (until the latter is destroyed by the First Order), Endor is a forest moon, Dagobah is a swamp planet, Bespin is a cloud planet (justified in that it's a gas giant that happens to have a narrow band of breathable air in the upper atmosphere), Kamino and Ahch-To are ocean planets, Mustafar is a volcanic planet, and Takodana is a lakeland planet. Nearly all the classifications described on the main page occur in the movies.
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  • Hoth is only habitable on the equator. The rest of the planet is too cold for any sort of life (hardly enough to fill up a space cruiser). There are geothermal vents and underground (underice?) cavern systems that have liquid water and support lichens and other hardy plants, which the herbivores feed on, which feed the omnivorous tauntauns and carnivorous wampas. The tauntauns and some smaller animals regularly trek out across the surface to find new territory, mates and food. The wampas find the thermal areas too hot and are the only creatures to spend all their time in the ice and snow, only going into the warmer places to quickly grab a meal if they can't ambush one out on the ice.
  • Kashyyyk, the Wookiee homeworld, is famous for its forests that greatly resemble Endor's, but in Revenge of the Sith, there's a battle on a beach. It is still often regarded as a jungle planet, though.
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  • The Hutts' homeworld of Nal Hutta is a swamp planet, most of its natural resources were strip mined, and its environment makes it close to a Death World. It's not just lack of concern for the environment by the notoriously greedy Hutts that caused Nal Hutta to end up this way: a planet-wide swamp is how they like it.
  • There are at least three different junkyard planets: Ord Mantell, Raxus Prime (like Ord Mantell, but with much older junk!), and Lotho Minor (like Raxus Prime, but on fire and populated by cyborgs!). Star Wars can get kinda redundant with these things at times.
  • Coruscant is far from the only city planet; there exist several others, like Denon, Christophsis, and Alsakan, and even a city moon in the form of Nar Shaddaa, which orbits Nal Hutta and is essentially a moon-sized City Narrows.
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  • There are notable exceptions, however, such as Naboo, where the Everglades-esque area where the Gungans live in The Phantom Menace is contrasted with the temperate-forest-and-meadows area where Anakin and Padme vacation in Attack of the Clones, and the Earthlike Alderaan and Corellia. Almost all of Naboo was filmed somewhere in Western Europe—Southeast England, the Italian Vistas, etc.—which (mostly) have a similar climate, so you could still say that Naboo is a Single-Biome Planet. This is subverted in the Star Wars Expanded Universe, wherein Naboo is shown to have non-alpine glaciers.
  • Starkiller Base from The Force Awakens can basically be described as Hoth if was hollowed out and fitted with a weapon able to destroy entire star systems (and its native population wiped out, that is).

Animated Series

  • Star Wars Rebels:
    • Lothal is a complete prairie, with strange rock formations littered throughout its landscape. Some of these rock formations are clumped together and called "mountains". On the other hand, there's an urban city next to an ocean, and the poles have snow on them. Near the end of the series, after the Lothal Jedi Temple near one of the poles disappears into the Force, the surrounding prairie landscape is replaced with a featureless and flat rocky wasteland. It's mentioned in All There in the Manual that there used to be more trees, but they were cut down by the Empire. Like Tatooine, it's supposed to feel small and boring.
    • Garel seems to be a complete mesa.
    • Bahryn, a moon of the desert planet Geonosis, is snowy and icy.
    • Addressed in-universe about Mandalore, in which Sabine explains to Ezra why her homeworld is the way it is.
    • Nixus is an inhospitable glacial planet with an outpost for the black market.
    • "Twin Suns" shows one rarely-brought-up benefit of living on such a planet, however: It can make you harder to find, if all someone knows of your location is that you're on that planet, in its natural biome. As Darth Maul discovers the hard way when searching for Obi-Wan Kenobi on Tatooine.
  • Star Wars Resistance: The show's main setting, the fuelling station Colossus, is on Castilon, an Outer Rim ocean planet.


  • Star Wars Legends, particularly the Ewok cartoons and TV specials, show many other biomes on the moon of Endor, including plains, mountains, and oceans.
  • In Legends, it is stated that in Tatooine's distant past, it was more diverse... until the Rakatans bombarded it from orbit until the entire surface was molten glass. The glass eventually broke up into sand, making Tatooine as we know it today. Furthermore, the planet is divided into two hemispheres: a habitable one, and one even hotter than the sparsely inhabited areas. This is also Jakku's past according to the New Expanded Universe.
  • Subverted in the second Knights of the Old Republic game. You travel to the desolated Telos. Most of the planet has been bombed, and it's in the process of being terraformed. At first you land in a temperate forest, only to find out later that what you're really looking for is in the polar ice caps.
  • This trope is lampshaded in the second Star Wars parody episode of Robot Chicken. One sketch features a krayt dragon and his wife as sea serpents in a body of water on Tatooine; when the husband expresses his desire to explore the world beyond, his wife insists that, as far as they know, there's nothing but desert on this planet. The husband then retorts that a Single-Biome Planet is patently ridiculous, describing several planets that happen to exist in the universe as proof of his position and asking what kind of a cruel god would make a planet with a single topographical feature? About a week later his remains are passed by R2-D2 and C-3PO (in a scene taken directly from A New Hope). A water-adapted creature in a vast desert it has no idea how to traverse likely would end up dead in short order.
  • Kashyyyk in Legends:
    • The Legacy of the Force novels have gone and shown that the wroshyr forests range from very short, to half a kilometer tall, to many kilometers tall.
    • According to Knights of the Old Republic, Kashyyyk's forests are the result of a hyperactive terraforming device.
  • In Legends, the Twi'lek homeworld, tidally locked Ryloth, is basically a three-biome planet: desert planet where it faces the sun, ice planet where it faces away from the sun, and a narrow habitable band in between the two.
  • Star Wars: The Old Republic:
    • Lampshaded by Kira Carsen:
      Kira: If you mashed Hoth and Tatooine together, would you get a normal planet with decent weather?
    • Then there's this conversation between two Tatooine natives:
      Militia Guard 1: You know, some planets don't have to put up with this all the time. The heat, I mean.
      Militia Guard 2: Yeah?
      Militia Guard 1: Yeah. Most planets have these things called "seasons". Sometimes it's hot, sometimes it's cold, but most of the time it's downright tolerable.
      Militia Guard 2: Huh.
  • Star Wars: Empire At War: Shola is a barren volcano planet with a dense, corrosive atmosphere and regular earthquakes.


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