February 15, 2013
A meteorite contrail is seen Friday over Chelyabinsk, Russia. A meteor streaked across the sky above Russia’s Ural Mountains on Friday morning, causing sharp explosions and reportedly injuring around 1,100 people, including many hurt by broken glass.
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A space rock even bigger than the meteor that exploded like an atom bomb over Russia could drop out of the sky unannounced at any time and wreak havoc on a city. And Hollywood to the contrary, there isn’t much the world’s scientists and generals can do about it.