"Hey, in my defense I didn't know I sent an asteroid slamming down on Earth."

That sounded bad. How they couldn't foresee something like that and stop it baffled Sam. He wasn't an Astronomer yet, but he had studied enough to know they keep pretty close tabs on things like that. He figured 'hey, how did your world screw that up?' was not a great question to ask.

"Because there's not a lot of other stages in history where there's that sort of thing going on."