Russian Meteor Hit Atmosphere With A Force Of 40 Hiroshima Bombs

The meteor that streaked across the skies over Russia in a blinding fireball on Friday struck Earth's atmosphere with a force about 40 times greater than the Hiroshima bomb, Nasa scientists have said. The 17 metre rock, said by Nasa to have a mass of 10,000 tonnes, plunged to Earth in the Urals region on Friday morning, causing shockwaves that injured 1,200 people and damaged thousands of homes in an event unprecedented in modern times. Nasa estimate that the energy released by the meteor's impa...