3 ms·

I don't think the pole shift theory holds, but there still are all those rocks flying around solar system... as well as gamma bursts, but those would probably t

• pavel_lishin 3y ago
  If I remember correctly, a thick layer of soil would protect people from a GRB - if most of the Martian colony (or Lunar colony) lives underground, they would survive - and there is no large-scale biosphere that humans depend on for survival on Mars or the Moon. As long as those colonies are self sufficient (the biggest handwave of the whole deal), they would survive while the majority of Earth would have a rather bad time of things. Then again, it's likely that more humans would survive on Earth than elsewhere - nuclear submarines, underground government complexes, maybe even the Antarctica base depending on the angle.