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...
‘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...