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NASA's Kepler Mission Confirms First Planet in Habitable Zone of Sun-like Star


tsoramaki

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I mean enviromental wise. If it is habitable then who knows what the locals have done. Asteroid impact, global warming, lot\'s of things can happen.

I mean that we have no way of knowing if those things happened millions of years ago, never mind at the current time-we don\'t even know if this planet has a solid surface, never mind a habitable one-any environmental factors are completely unknown.

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Kepler-22b\'s Earth Similarity index is estimated to be between 0.64 and 0.79. Earth is, of course, 1. Mars is 0.70, and Mercury is 0.60. However, one candidate object observed by kepler but unconfirmed is KOI 736.01, with a rating of 0.98.

Source is wikipedia so take all of this with a large grain of salt.

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