Edit: guys I didn’t made this template, can you please calm down?

  • DacoTaco@lemmy.world
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    9 months ago

    What defines being on earth? Below the atmosphere? stratosphere? Being in contact with the ground? Being more than 10m up?

    • p1mrx@sh.itjust.works
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      9 months ago

      I would say, anything whose spacetime geodesic (orbital/freefall path) intersects the spheroid defined by the surface of the Earth. Though by this definition, a comet on a 100-year collision course is already “on Earth”, so I’m not sure if that’s reasonable.