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tuatoru
on Jan 13, 2023
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The James Webb Space Telescope is finding too many...
Earth life uses lots of different elements - at least two generations of supernovas required. Not really that late if you allow for that.
yreg
on Jan 13, 2023
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Didn't that happen within like the first 2B years? First Sol-like systems were I think at 5B years, which would still make Earth ~3B years late to the party.
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