Your best known chance of being killed by an asteroid traveling 60 times faster than a bullet will be on April 13, 2036. But note the emphasis on the word "known." An earth killing rock could be discovered tomorrow that could wipe us out next year.
[ame]http://www.youtube.com/watch?v=BBsyQ8Gli_Q&NR=1[/ame]
[ame]http://www.youtube.com/watch?v=BBsyQ8Gli_Q&NR=1[/ame]

