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Overcoming Bias Commenter's avatar

"This would be worrisome from a Great Filter perspective."

Indeed... Very much so.

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Overcoming Bias Commenter's avatar

Yes, but we don't know whether said life emerged here or came from some outside source. If, as you suggest, life on earth originated elsewhere, then that strongly implies that a few 100My is not long enough for it to emerge (else we wouldn't need the panspermia hypothesis).

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