01-11-2020, 10:46 AM
Found this interesting article about alien colonization https://www.scientificamerican.com/artic...milky-way/
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Scientific American article about Fermi paradox
Scientific American article about Fermi paradox
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Scientific American article about Fermi paradox
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Scientific American article about Fermi paradox - by person43 - 01-11-2020, 10:46 AM
RE: Scientific American article about Fermi paradox - by Drashner1 - 01-11-2020, 12:26 PM
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