On the other side of things, celestial objects are not flying around at random. They have trajectories typically leading away from us, and the odds for one to s

On the other side of things, celestial objects are not flying around at random. They have trajectories typically leading away from us, and the odds for one to suddenly veer through what is mostly a void to hit another spec of dust are just as astronomically small as surviving the impact, should it actually happen.