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For questions regarding planets similar to Earth in most respects. This tag should be used when describing a planet that follows the rules of Earth with exceptions outlined in the question. Usually questions using this tag will be about the differences and the impacts of those differences.

13 votes

What kind of art (if any) would be possible in a world without imagination?

Natural challenges In a world without imagination, art would consist less of pretty, not real things and more of challenging things, for example; Rock Balancing Complex geographical patterns Extrem …
TrEs-2b's user avatar
  • 56.3k
2 votes
1 answer
239 views

Water percentage

All the worlds I've seen built by me or others have surfaces that are mainly water. Is it possible for a habitable world to exist if the world is mainly land? I'm only talking about 55-65 percent land …
TrEs-2b's user avatar
  • 56.3k
5 votes
6 answers
1k views

Would convergent evolution favor aliens being similar to Earth life? [closed]

We all know of convergent evolution, in which animals of similar environments yet with no relations often look similar (dolphin-shark for example). Animals in the real world do this because the best s …
TrEs-2b's user avatar
  • 56.3k
1 vote

Could seasons for trade prevent plagues?

No, unlikely, not at all, inconceivable. Plagues are a result of animal illness transferring to humans, all that intercity travel did was spread plague in between cities. If trading was cut off, it w …
TrEs-2b's user avatar
  • 56.3k
8 votes
3 answers
1k views

What would weather look like on a world with a 9-year day?

In a world I am building, the planet's days are longer than its years, with a single day taking 9 years. In all other ways, this planet is similar to Earth, but are there other differences I am missin …
TrEs-2b's user avatar
  • 56.3k
7 votes

What would be the tallest possible height for humanlike creatures in earthlike conditions?

Shamelessly based on this answer. Because of the square-cube law mentioned already, a 50 foot human would weigh over 50 tonnes. I do not see a possible way for a biped to support, how big these people …
TrEs-2b's user avatar
  • 56.3k