天问二号不仅仅是一项科学探索。它也是中国雄心勃勃的天问三号任务的技术垫脚石。后者将于2028年发射，目标是从火星采集岩石样本并送回地球。美国为实现相同目标的类似计划正面临重大困难。

China's Tianwen-2 probe, atop a Long March-3B carrier rocket, lifts off from the Xichang Satellite Launch Center in southwest China's Sichuan Province, May 29, 2025. China launched its first ...

China's Tianwen-2 probe is scheduled for launch on May 29, aiming to unravel the mysteries of a near-Earth asteroid and a main-belt comet, the China National Space Administration (CNSA) announced on ...

CANBERRA, May 29 (Xinhua) -- The global scientific community was watching with keen interest as China launched its Tianwen-2 probe on Thursday, a landmark dual-target mission aimed at unlocking the ...

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 ...