No Plagiarism!y4VB7vGNoDdas4i2QYe8posted on PＥNAＮＡ So a friend and I were talking science and we thought about life and stuff. Something came up like what if we all lived on a dying planet before and we were sent out to find a new planet to try and avoid the same mistakes we have made before. Or another theory was that life started from an asteroid impact on earth. I dunno just thoughts I guess. 

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