Here's an interesting website, it is an earth impact calculator (http://impact.ese.ic.ac.uk/ImpactEffects/).
cool +1
Although it doesn't let me try DOOMSDAY scenarios. "Request-URI Too Large The requested URL's length exceeds the capacity limit for this server."
biggrin
I managed one, that at 10,000 Km from impact, had me disappearing in the fireball! :shock Woops!
ha. that's so much fun +1