Asteroid hit by NASA’s DART spacecraft is behaving unexpectedly

Dimorphos as seen by the Hubble House Telescope after colliding with NASA’s DART spacecraft


A highschool trainer and his college students have found that an asteroid hit by a NASA spacecraft, in a check run for saving Earth from a collision, is behaving unexpectedly. The discover may have implications for future planetary defence missions.

On 27 September 2022, NASA deliberately crashed its Double Asteroid Redirection Check (DART) spacecraft into the asteroid Dimorphos. The purpose was to sluggish the area rock’s almost 12-hour orbit round a father or mother asteroid, known as Didymos, and …