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4179 Toutatis

We'll Never Know What Hit Us

Chris Abraham | Posted 02.19.2013 | TED Weekends
Chris Abraham

Will we again be hit by the sort of asteroid that ended the dinosaurs? Probably, but we'll never see it coming; in fact, we already missed it if we can assume that maybe we've been threatened by menacing space junk in the past and our modern technologies might have already prevented us from a painful case of mass extinction.

WATCH: Gigantic Asteroid Flies By Earth

The Huffington Post | Craig Kanalley | Posted 12.17.2012 | Science

On Wednesday, a huge asteroid was caught on video as it flew by Earth at a distance of only 4.3 million miles. Asteroid 4179 Toutatis is a 3-mile-w...

TONIGHT: Giant Asteroid To Pass By Earth

Posted 02.10.2013 | Science

By: Mike Wall Published: 12/11/2012 09:15 AM EST on SPACE.com A giant asteroid will make a flyby of Earth over the next few days, and armchair ast...