This picture of the meteor and its persistent trail was taken by photographer Marat Ametvaleev. An estimated 500 kilotons of energy was released by the explosion of the 17-meter-wide space rock, which had a mass of 7,000 to 10,000 tons.
March 5, 2013 4:02 PM PST
Photo by: Marat Ametvaleev/NASA
| Caption by: Charles Cooper
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