Check this out at Space.dom
http://www.space.com/scienceastronomy/mystery_monday_040412.html
Then go play with the meteor impact calculator at University of Arizona at:
http://www.lpl.arizona.edu/impacteffects/
Is tres gnarly....;-)
Stacy
"Why yes, there is a difference between photon deprivation & PMS."
~Konstellation Kitty
Just give me a dark, clear, starry Kaleeforneea sky and no one gets hurt.
www.stacyjomcdermott.com