Photo taken on Feb 17, 2013 released by RIA Novosti agency shows a scientific researcher holding a meteor fragments found in the chebarkul lake region near Chelyabinsk, about 1,500 kilometers east of Moscow, Russia. Scientists have found fragments of a meteor that exploded over Russia's central Urals and triggered a shock wave that injured hundreds and shattered scores of windows, experts said Monday. [Photo/Xinhua]