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Q&A How large would a space station have to be to hold one million people indefinitely?

A moon-sized asteroid approaches Earth in the near future, where space tourism has become normal. The Earth has a few satellite structures above Mars conducting research, as well as successful terr...

2 answers  ·  posted 5y ago by Alex‭  ·  last activity 5y ago by Alex‭

Question space travel spaceships space-travel colonization space-colonization megastructures ships gas near-future future