Is it 100% certain that's not how they got here in the first place? | Hacker News

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		Rooki 4 months ago \| parent \| context \| favorite \| on: Moss Survives 9 Months in Space Vacuum Is it 100% certain that's not how they got here in the first place?

esseph 4 months ago [–]

Goldilocks theory is pretty interesting

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