Small near-Earth asteroid 2012 DA14 will pass very close to Earth on Feb. 15, so close that it will pass inside the ring of geosynchronous weather and communications satellites. There is no chance it might collide with Earth.展开全文 转发 1评论 0
Small near-Earth asteroid 2012 DA14 will pass very close to Earth on Feb. 15, so close that it will pass inside the ring of geosynchronous weather and communications satellites. There is no chance it might collide with Earth.展开全文 原微博
