NASA’s Double Asteroid Redirection Test (DART) spacecraft intentionally crashed into Dimorphos, the asteroid moonlet in the double-asteroid system of Didymos, on Monday, 26 September 2022. This was the first planetary defense test in which an impact of a spacecraft attempted to modify the orbit of an asteroid.
Click here for original story, SOAR Telescope catches Dimorphos’s expanding comet-like tail after DART spacecraft impact
Source: Phys.org