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Rigorous Science How far could a planet be from its star and still be kept habitable by intense greenhouse gases?

Epimetheus is a planet with about three times the mass of Earth orbiting a sun-like star in the Andromeda galaxy. However, two major factors separate Epimetheus from Earth. First, it has a thick at...

2 answers  ·  posted 9y ago by ckersch‭  ·  last activity 6y ago by ckersch‭

Question planets habitability xenobiology