NASA Maps Global Spread of Chelyabinsk Meteor Plume

The U.S. space agency, NASA, has mapped the massive plume of dust and debris created by the Chelyabinsk meteor that exploded over Russia last February with the force of 30 Hiroshima atom bombs.

Measuring 18 meters across and weighing 11,000 metric tons, the meteor screamed into Earth’s atmosphere on February 15 at 18.6 kilometers per second. Burning from the friction with Earth’s thin air, the space rock exploded 23.3 kilometers above Chelyabinsk causing extensive damage in the …

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