Today on Discovery Enterprise we present an exciting episode of the acclaimed PBS documentary series NOVA titled Meteor Strike concerning the Chelyabinsk Event, when a 10,000 metric ton exploded over the Russian city of Chelyabinsk with thirty times the explosive yield of the atomic bomb that exploded over the Japanese city of Hiroshima on August 6^th, 1945.

http://youtu.be/3M5t6o3fGXg