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Q&A How large could atmosphere-preserving balloon-organisms be on an alien moon?

Ceraon is a moon with advanced megafauna and flora. The moon is pretty small, so gravity is only about one fifth of that on earth. Much of the life-preserving atmosphere is retained through a gre...

2 answers  ·  posted 7y ago by Fred the John‭  ·  last activity 7y ago by Fred the John‭