BBC地平线：陨石真相大揭密

【电影朋友的妈妈】【活埋电影免费完整视频】【英雄祭电视剧在线观看免费高清】 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 ...