For Science!Star Wars Canon: Just How Realistic Are the Single-Biome Planets?For Science! - RSS 2.0
What we observe is that the more we try to rationalize single-biome planets, the more they end up looking like Earth -- or Leia's homeworld of Alderaan. A geologically active planet with a breathable atmosphere and sustainable life will naturally evolve multiple biomes. Sure, a single biome may be prevalent, but at that point, it is no longer a truly single-biome world. Even an ocean planet is much more diverse than its simple label would suggest, with an undersea world rich in diverse ecosystems.
While poking holes in the science of Star Wars may seem a little unfair, given the spirit of the original trilogy was science fantasy rather than hard science fiction, I offer a single word in response: