News & AnalysisMETEORITICS

Siberian Meteor Spurs Dash for Data, Calls for Safeguards

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Science  08 Mar 2013:
Vol. 339, Issue 6124, pp. 1135
DOI: 10.1126/science.339.6124.1135

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When a meteor shot through the dawn sky over Chelyabinsk, Russia, on 15 February, people rushed to watch the contrail streak past at 18 kilometers a second. But what came next were shattered windows, blown down walls, shock waves that set off magnitude-2.7 tremors, and about 1500 injuries. Now, scientists are crafting proposals for an air-burst warning system in the hopes of spotting threats hours before they reach Earth.