——郭御风委员（飞腾信息技术有限公司副总经理）
Kali Hays,Technology reporter。体育直播对此有专业解读
Astronomers track near-Earth objects in space because understanding their paths helps scientists assess potential hazards to Earth. A crash on the moon would not have threatened people. In fact, lunar debris would almost certainly have stayed near the moon, and the impact would not be severe enough to change the moon's orbit. But it would have offered a rare chance to learn from a known asteroid hitting another planetary surface.，详情可参考clash下载 - clash官方网站
Ema Sabljak,England Data Unitand