中国国家航天局团队计划在2029年或2030年用速度超过每秒9公里的航天器撞击小行星，以测试行星防御能力。
该计划由中国国家航天局行星防御首席科学家李明涛领导。航天器撞击速度将超过每秒9公里，相当于海平面音速的26倍以上，比美国宇航局DART任务的6.1公里每秒快近50%。
研究目标是直接改变小行星相对于地球的轨道，甚至破坏其结构。这项研究论文目前正由中文期刊《深空探测学报》进行同行评审。
撞击预计在小行星接近地球约700万公里时进行。论文描述了这一速度和任务参数，但尚未公布具体小行星名称。
China's Tianwen-2 spacecraft has closed in on asteroid 2016 HO3 after a 400-day journey and begun scientific exploration.
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China's space agency said it will establish a space-ground integrated monitoring system for near-Earth asteroids to strengthen early warning and planetary defense capabilities.
A Chinese research team has successfully tested a guided projectile prototype for an electromagnetic rail gun, with the device surviving extreme conditions and recording its flight.
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The European Space Agency confirmed that asteroid (152637) 1997 NC1 will pass near Earth this weekend in its closest approach in 400 years.
NASA's X-59 research plane has completed a key test flight at Mach 1.4 and 55,000 feet. The milestone brings it closer to future community overflights as part of the Quesst mission.
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Chinese researchers have successfully tested a system capable of beaming energy to multiple moving targets at once, marking another step toward an orbiting power station.