**DART had a surprising impact on its target, according to recent observations**

After NASA's DART mission slammed into asteroid Dimorphous in September 2022, scientists determined the impact caused tons of rock to be ejected from the small asteroid's surface. But more importantly, DART's impact altered Dimorphos' orbital period, decreasing it by about 33 minutes.

https://phys.org/news/2023-09-dart-impact.html