The Missing 90% of the Space Colonization Problem Posted by intergalactic on Thursday February 09, 2017 @11:10PM from the medium.com dept. https://medium.com/@AlanSE/the-missing-90-of-the-space-colonization-problem-4ca807ee27fb#.1n8akbw94 ( no comments | 5 points | on HN )
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