On a bright, cold morning on 15th February 2013, a meteorite ripped across the skies above the Ural mountains in Russia, distintegrating into three pieces and exploding with the force of 20 Hiroshimas. It was a stark reminder that the Earth's journey through space is fraught with danger. A day later another much larger 14,3000 tonne asteroid, passed within just 17,000 miles of ... 想看更多的BBC地平线:陨石真相大揭密 bright cold morning 15th February 2013 相关BBC地平线:陨石真相大揭密,请关注我们的网站:www.whccic365.com
Copyright © 2008-2021