4 ms·
We won't even need a lot of energy. Changing the trajectory of a few rocks is enough to destroy civilizations on the surface of the planet.
by ffhhj 5y ago
We won't even need a lot of energy. Changing the trajectory of a few rocks is enough to destroy civilizations on the surface of the planet.
- pm90 5y agoI would assume that we have some sort of planetary defense systems by that point.
- King-Aaron 5y agoReplace "assume" with "hope"
- Dylan16807 5y agoIt takes a lot of energy to aim those rocks.
- Ancapistani 5y agoIf you can get to those rocks, you can aim them.
- adrianN 5y agoThat depends on how patient you are. Changing the course of a rock over a couple of decades can probably be done with some paint and solar radiation.
- littlestymaar 5y agoTrajectory calculations are less and less accurate when you go forward in time (because it's an n-body problem, fundamentally chaotic) so it will be really hard to land a hit with such device.