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Q&A Could a moon or planet exist with "puddles" of breathable air in deep craters?

Could a moon or planet with otherwise no atmosphere maintain gas pockets in sufficiently deep craters, and could it be habitable by humans without pressure or space suits? I found this similar que...

7 answers  ·  posted 6y ago by Professor_Hoover‭  ·  last activity 5y ago by Professor_Hoover‭

Question environment reality-check planets humans