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J_Robert_Oofenheimer t1_iyb2hrb wrote

Oh sure. But when we're talking about even just our galaxy, there are so many planets that we just can't say anything for certain. We have life evolved to live and even thrive at hydrothermal vents in the deep ocean. And our planet is pretty young. 1 in a billion odds mean very little when you get over 100 billion chances. We'll never be able to prove or disprove. That's what's so exciting about the universe. Anything is possible.

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