Research Article

Chelyabinsk Airburst, Damage Assessment, Meteorite Recovery, and Characterization

Science  07 Nov 2013:

DOI: 10.1126/science.1242642

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Abstract

The asteroid impact near the Russian city of Chelyabinsk on 15 February 2013 was the largest airburst on Earth since the 1908 Tunguska event, causing a natural disaster in an area with a population exceeding one million. Because it occurred in an era with modern consumer electronics, field sensors, and laboratory techniques, unprecedented measurements were made of the impact event and the meteoroid that caused it. Here, we document the account of what happened, as understood now, using comprehensive data obtained from astronomy, planetary science, geophysics, meteorology, meteoritics, and cosmochemistry, and from social science surveys. A good understanding of the Chelyabinsk incident provides a unique opportunity to calibrate the event, with implications for the study of near-Earth objects and developing hazard mitigation strategies for planetary protection.

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