Rare Earth Hypothesis
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Basic Information

The Rare Earth Hypothesis is the theory that planets, planetary systems, and galactic regions that facilitate the development of complex life as Earth does are rare. This does not rule out microbes and the like, but more complex life is unlikely to develop elsewhere in the universe, according to this theory.


Game and Story Use

  • If Earth-like planets are rare and complex life can only originate from Earth-like planets, then that gives humanity a special place in the universe; it is up to us to spread life throughout the cosmos, that it may not die out with us. If we don't do it, there's a good chance no one will.
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