The meteor that streaked across the Russian skies on Friday, injuring around 1,200 people, exploded with a force 30 times greater than the Hiroshima nuclear bomb, Nasa scientists say. The 55 foot wide rock with a mass of 10,000 tonnes lit up the sky above the Urals region, causing shockwaves and damaging thousands of homes in an event unprecedented in modern times. ... 
09:41 PM, Feb 17, 2013
