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Is Interstellar Colonization the Great Filter?
The greatest filter of all may well be the emergence of life to begin with. You could have a world covered with water and plenty of oxygen, only for the highly improbable series of coincidences required never to happen, leaving it completely sterile.

I wouldn't be surprised if it turns out there are only a handful of 'garden worlds' across the entire Milky Way, not due to the environment being unsuitable, but because abiogenesis may well be an extremely rare event even in ideal conditions.

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RE: Is Interstellar Colonization the Great Filter? - by extherian - 01-03-2019, 04:23 AM

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