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Published on Mar 18, 2013
Watch the full-length episode at http://video.pbs.org/video/2358778286 (US Only) Meteor Strike A blinding flash of light streaked across the Russian sky, followed by a shuddering blast strong enough to damage buildings and send more than 1,000 people to the hospital. Within days, armed with this unprecedented crowd-sourced material, NOVA crews hit the ground in Russia along with impact scientists as they hunted for fragments from the explosion and clues to the meteor's origin and makeup. Their conclusions add up to a chilling picture of how close we came to a far worse disaster.