Should we A) colonise other planets or B) build habitats in the middle of space, like O'Neill Cylinders and stuff? - eviltoast
  • LavenderDay3544@lemmy.world
    31·
    2 个月前

    There are black holes that travel at the speed of light. If one were to pass through our astronomical neighborhood we would never see it coming and it would end our existence so instantaneously that it would be like our species and planet never existed.