Asteroid Bennu Reveals its Surface is Like a Plastic Ball Pit
After analyzing data gathered when NASA's OSIRIS-REx spacecraft collected a sample from asteroid Bennu in October 2020, scientists have learned something astonishing: The spacecraft would have sunk into Bennu had it not fired its thrusters to back away immediately after it grabbed dust and rock from the asteroid's surface. It turns out that the particles making up Bennu's exterior are so l