Tuesday, February 26, 2013




Two weeks after an asteroid exploded over Russia's Ural mountains, scientists are making progress understanding the origin and make-up of the unexpected space rock. 

This week's ScienceCast presents their latest results.

NASA television, ScienceCasts: What Exploded Over Russia? video

Description: Two weeks after an asteroid exploded over Russia's Ural mountains, scientists are making progress understanding the origin and make-up of the unexpected space rock
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