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Q&A Reality check - Forest in space city

How could you create a forest in a space city, like the Citadel of the Mass Effect game? Would this forest provide renewal of oxygen for the population? Is it "simple" to create an atmosphere and ...

2 answers  ·  posted 8y ago by thierseuller‭  ·  last activity 8y ago by thierseuller‭

Question space colonization space-constructs space-colonization science-fiction