Jun 30

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

Posted in: Today's Chili

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…

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