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 ...

《BBC地平线：陨石真相大揭密》是一部2013年上映的英国纪录片， 由Oliver,Bootle,Ben,Finney执导，主演Iain,Stewart,Mark,Boslough,Steven,R.,Chesley,...，当前正在播放第集。