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exboyfil

(17,862 posts)
3. Colonization is impractical
Wed Dec 26, 2018, 09:51 PM
Dec 2018

We need to build O'Neill cylinders as soon as practical and ensure they are are Arc worthy. Able to continue humanity in case of an impactor or nuclear war. The moon and Mars are mostly gravity wells. We can get raw materials from asteroids easier. Big reason to examine Mars is the continued search for extraterrestrial life and our robot probes can do that as well.

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