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A comment on Making Humans a Multiplanetary Species [video]. Parent comment
A space colony would have much more need to get supplies from Earth.
Once we've learned how to run a space colony on the Moon, building a second one on Mars would be much easier.
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A space colony would have much more need to get supplies from Earth.
Once we've learned how to run a space colony on the Moon, building a second one on Mars would be much easier.