• Digital Mark
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    1 year ago

    The low-gravity planets/moons we have access to have rather harsh radiation environments, too, so neither. Dig into the ground. You would put a bunker or dome up on the surface for observations and airlocks, but it’d be foolish to live that exposed on a surface without a deep well of atmosphere & Van Allen belts.

      • Cinner@lemmy.worldB
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        1 year ago

        Now I know next to nothing about it, but listening to the Art Bell Tape Vault and other alien/conspiracy theory/etc podcasts I know that one of the big theories popular amongst some in the UFO community is that the intelligence behind UFOs is some kind of breakaway civilization that survived one of the last cataclysms on Earth and kept advancing.