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Q&A How similar or different can an exoplanet be, that supports a convergent evolved ''human'' species?

The idea is that a species very similar, but not related to humans have evolved on a different planet and are living in a medieval society. Humans from Earth must be able to live on this planet wit...

1 answer  ·  posted 8y ago by Geotheo‭  ·  last activity 8y ago by Geotheo‭

Question earth-like reality-check evolution earth