well if those weedy ruins survived the simulation, im sure we will all be fine, right?
also i would have thought an impact from an object of that much mass would cause some fracturing and perhaps chunk up a few bits around the crater area, send a few large chunks flying off into space
could be like the final fantasy film, except it would be dead humans "invading" the alien planet
i like the beginning of the video, the big shadow of dewm flying over the cities...just imagine the feeling