[Tennessee_Bob]

Hey, it's always good to know about it several days later. Saved me a trip to the hills.

[PJ-Comix]

We should have sent that shmuck, Ben Affleck, on a rocket to that astroid and (unlike the movie) left him there.

[CROSSHIGHWAYMAN]

What if an asteroid hit Mecca??

[WASH]

When such asteroids are detected, they are usually spotted when they are approaching or departing Earth.

Better than when they hit.

[Utopia]

There was a lot of fun on this thread. You might want to check it out.

[SandfleaCSC]

This one should be on the sports page.

God throws one high and tight...humanity forced to back away from the plate

[LarryLied]

When such asteroids are detected, they are usually spotted when they are approaching or departing Earth.

Guess the rest are detected when someone notices a city or small state missing.