The problem is that there is NOTHING that hits the asteroid making that little explosion. Again, if you watch the video between 2:04 and 2:05, you can see the flash and nothing goes into the crater.. not a small meteor, no lasers, nothing.

- okay, never mind. After watching it about four or five times, there is a dot of a rock going into the crater.. it is damn near a split second shot. I still think that spot is a bit off because it still looks like the asteroid is giving off gas on its own.