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You say that as if space colonization was possible with modern technology. There is only one closed biosphere that we know of.
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# ¿ Aug 23, 2016 04:52 |
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# ¿ May 17, 2024 18:27 |
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You say that as if space colonization was possible with modern technology. There is only one closed biosphere that we know of.
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# ¿ Aug 23, 2016 04:52 |
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# ¿ May 17, 2024 18:27 |