A local resident repairs a window broken by a shock wave from a meteor explosion in Chelyabinsk, about 930 miles east of Moscow, Friday, Feb. 15, 2013. A meteor that scientists estimate weighed 10 tons streaked at supersonic speed over Russia's Ural Mountains on Friday, setting off blasts that injured some 500 people and frightened countless more. (Associated Press)

Photo by: Boris Kaulin

A local resident repairs a window broken by a shock wave from a meteor explosion in Chelyabinsk, about 930 miles east of Moscow, Friday, Feb. 15, 2013. A meteor that scientists estimate weighed 10 tons streaked at supersonic speed over Russia's Ural Mountains on Friday, setting off blasts that injured some 500 people and frightened countless more. (Associated Press)