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r_wraith , 1 year ago Humans on Mars seems to be a pure fantasy fueld by old SF. Technically it seems to be easier (and more viable) to build floating cities on Venus than for humans to live (on the surface of) Mars
Humans on Mars seems to be a pure fantasy fueld by old SF. Technically it seems to be easier (and more viable) to build floating cities on Venus than for humans to live (on the surface of) Mars