In this frame grab taken from AP video, a researcher touches a piece of a meteorite in a laboratory in Yekaterinburg on Monday, Feb. 18, 2013. Researchers from the Urals Federal University, based in Yekaterinburg, have determined that the small stone-like pieces found near Lake Cherbarkul in the Chelyabinsk region are pieces of the meteorite that exploded over the region Feb. 15. A total of 53 pieces have been brought for analysis to the university in Yekaterinburg. The largest one is one centimeter in diameter, the smallest is about one millimeter. (AP Photo/ AP Video)

Associated Press
In this frame grab taken from AP video, a researcher touches a piece of a meteorite in a laboratory in Yekaterinburg on Monday, Feb. 18, 2013. Researchers from the Urals Federal University, based in Yekaterinburg, have determined that the small stone-like pieces found near Lake Cherbarkul in the Chelyabinsk region are pieces of the meteorite that exploded over the region Feb. 15. A total of 53 pieces have been brought for analysis to the university in Yekaterinburg. The largest one is one centimeter in diameter, the smallest is about one millimeter. (AP Photo/ AP Video)
In this frame grab taken from AP video, a researcher touches a piece of a meteorite in a laboratory in Yekaterinburg on Monday, Feb. 18, 2013. Researchers from the Urals Federal University, based in Yekaterinburg, have determined that the small stone-like pieces found near Lake Cherbarkul in the Chelyabinsk region are pieces of the meteorite that exploded over the region Feb. 15. A total of 53 pieces have been brought for analysis to the university in Yekaterinburg. The largest one is one centimeter in diameter, the smallest is about one millimeter. (AP Photo/ AP Video)
View Comments (0)