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Monday's asteroid flyby common, threat real

Earth narrowly missed a collision with an asteroid three times the size of FedEx Field. Although 2 million miles crossed between the fate of humankind and the mass of space rock, the threat from asteroids is real.

Tuesday - 02/18/2014, 12:16pm EST

Tags: Greg Redfern, asteroid, Chelyabinsk, space place, Russia, meteor

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Chelyabinsk one year later

A meteor streaked across the sky and exploded with the power of an atomic bomb in Russia exactly one year ago.

Sunday - 02/16/2014, 05:38pm EST

Tags: Chelyabinsk, Ed Lu, NASA, tunguska, Greg Redfern