一艘航天器已发射升空，以测试一种可以令危险小行星偏离轨道的技术。美国国家航空航天局将该任务称为 “ 双小行星重定向试验（Double Asteroid Redirection Test ）”，希望借此了解阻止一块巨大的太空岩石与地球相撞有多困难。 A large asteroid striking our planet is an ...

BEIJING, Dec. 30 (Xinhua) -- An asteroid has been officially named after Kuang Tingyun, a distinguished Chinese botanist renowned for her long-standing research on photosynthesis, the Institute of ...

China is planning a kinetic impact demonstration mission to test the feasibility of defending Earth against potentially hazardous asteroids, a senior space scientist revealed at an international ...