• SkyezOpen@lemmy.world
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    6 months ago

    define atmosphere or define an arbitrary line of Xkm above the average surface of earth.

    100km. Atmosphere is a gradient so yes it’s entirely arbitrary.

    • tiredofsametab@kbin.run
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      6 months ago

      If a person fell into the singularity of a black hole that had particles from our atmosphere, are we back to on earth again? (My vote is “s/he dead and no even if not”, but I think it’s interesting to think about).