BBC地平线：陨石真相大揭密是一部纪录作品，影片评分:2.0分，影片的关键词是：BBC地平线：陨石真相大揭密,bright,cold,morning,15th,February,2013 。 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 ...