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June 30, 2017 01:01 pm -04

'Asteroid Day' is a good time to learn about the threat of space rocks

On June 30th, 1908, more than 770 square miles of remote Russian forest were obliterated from the face of the Earth when a relatively small meteor, estimated at only around 400 feet across, unleashed 15 megatons of energy above the Stony Tunguska Riv...

Original Link: https://www.engadget.com/2017/06/30/asteroid-day-space-rock-threat/

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Engadget

Engadget is a web magazine with obsessive daily coverage of everything new in gadgets and consumer electronics. Engadget was launched in March of 2004 in partnership with the Weblogs, Inc. Network (WI

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