2022年，一场惊心动魄的太空实验在宇宙深处上演。NASA的DART（双小行星重定向测试）任务，首次将一艘航天器以每小时超过2万公里的速度撞向了一颗名为Dimorphos的小行星。这一壮举的初衷是测试小行星偏转技术，目标是为地球防御提供重要参考。然而 ...

马里兰大学的天文学家发现，DART任务期间意外释放的岩石碎片的动量是航天器的三倍。这一发现为改进未来的行星防御策略提供了宝贵的新见解。 这幅插图描绘了NASA双小行星重定向测试（DART）航天器撞击Didymos双小行星系统之前的景象。图片来源：NASA/约翰· ...

This imagery from NASA’s Hubble Space Telescope from Oct. 8, 2022, shows the debris blasted from the surface of Dimorphos 285 hours after the asteroid was intentionally impacted by NASA’s DART ...

Analysis of data obtained over the past two weeks by NASA's Double Asteroid Redirection Test (DART) investigation team shows the spacecraft's kinetic impact with its target asteroid, Dimorphos, ...

Images that NASA's DART spacecraft captured of an asteroid moments before it intentionally collided with the object in 2022 have now allowed researchers to gain fresh insights into the celestial ...

NASA's Double Asteroid Redirection Test (DART) mission had two main goals: to show that an asteroid could be targeted in a high-speed encounter, and to demonstrate that the target's orbit could be ...

Smashing a spacecraft into an asteroid isn't NASA's usual approach to planetary science, but it was certainly an opportunity nonetheless. NASA's Double Asteroid Redirection Test (DART) spacecraft ...

NASA's now 32-year-old Hubble Space Telescope has been snapping photographs of the asteroid NASA recently collided its Double Asteroid Redirection Test (DART) spacecraft into. The new set of images ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. When NASA’s ...

It apparently happened very quickly. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. On Sept. 26, 2022, NASA's Double Asteroid Redirection Test ...

The demise of a spacecraft is usually something rather poignant. But two weeks ago, NASA celebrated one’s destruction. On September 26, NASA executed the final stage of the Double Asteroid Redirection ...