When someone sends boulder-sized rocks down to planet Earth from the moon, they approach like meteors. On the right trajectory, they don't burn up in the atmosphere, but can come down with the force of a nuclear blast. Our tiny outpost of sentient shape-shifting wolves and escapees from the slave-labor moon colonies had caused a stir up there. They probably still didn't figure out how we managed to help all those people disappear, cross 250,000 miles...