Huge meteor explosion above Earth's surface detected by Nasa
The IndependentThe best of Voices delivered to your inbox every week - from controversial columns to expert analysis Sign up for our free weekly Voices newsletter for expert opinion and columns Sign up to our free weekly Voices newsletter Please enter a valid email address Please enter a valid email address SIGN UP I would like to be emailed about offers, events and updates from The Independent. Please try again later {{ /verifyErrors }} A huge meteor explosion just 16 miles above Earth’s surface unleashed 10 times as much energy as the atom bomb dropped on Hiroshima, Nasa has revealed. In 2013, the Chelyabinsk meteor blast, which was two-and-a-half times as powerful as the Kamchatka incident, injured more than 1,000 people and sent shockwaves twice around the earth. Nasa finds second massive meteorite crater underneath Greenland ice The 17-metre rock exploded at a height of around 18 miles, but shattered windows in thousands of buildings and briefly burned brighter than the sun.