Meter Crater News Today

>> to put it in perspective, its believed the astroid that wiped out the dinosaurs was six miles in diameter. tom foreman has more for us. good morning. >> hey, alison and victor. nasa has been talking about tracking things in space that might be headed toward our earth to steer them away if there is some problem. this is the reason why. if you were to go out to meter crater, arizona, its in flagstaff. its huge. from this edge to that edge is about a mile. this was caused by a meteorite that was...