Hera mission launched to witness the aftermath of the asteroid accident – Sky & Telescope
Two years ago, NASA's Double Asteroid Redirection Test (DART) mission intentionally collided with the asteroid moon Dimorphos at 15,000 mph (6.6 km/s). Now, a new mission is heading to the site of the collision to show us a detailed view of its consequences. A SpaceX Falcon 9 rocket lifted off from Cape Canaveral Space Force