Humans could one day live in Manhattan-sized asteroid megacities interestingengineering.com Submitted by Gari_305 t3_zq32pe 2 years ago in Futurology 199 comments 1,219
Craigg75 t1_j0z2uud wrote 2 years ago Buzz kill -- this can never happen because there is no magnetosphere. Colonists would die from cancer within a year. Next. Permalink 1
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