At least there are people looking out for us

The world's astronomers keep watch for 'Planet Killer' astroids.

"Experts say there are about 1,100 comets and asteroids in the inner solar system that are at least a half-mile across, and that any one of them could unleash a global cataclysm capable of killing millions in a single blinding flash. "

"On Thursday, the International Astronomical Union said it has set up a special task force to sharpen its focus on threats from such "near-Earth objects."

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