Re:Space Is Full of Planets, and Most of Them Don't Even Hav...
by ASalazarMX on Wednesday May 30, 2018 @11:36AM
(#17188548)
I also don't subscribe to panspermia because first local origin must be reasonably proved unfeasible, but playing devil's advocate ¿what if our life tree outcompeted the others?
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Re:Space Is Full of Planets, and Most of Them Don't Even Hav...
by gmiller123456 on Wednesday May 30, 2018 @02:04PM
(#17190010)
That's certainly possible, but not likely. Life began on Earth almost as soon as it was cool enough to do so, so we would expect to see life pop up over and over again. And it's highly unlikely that they would all get wiped out.