Another surprise Bennu served up: plumes of particles erupting from the asteroid’s surface. In fact, my NavCam 1 imager captured the first-ever close-up observations of material being released from an “active asteroid.” https://t.co/1KYao07NUF #BennuRevealed #LPSC2019 pic.twitter.com/MRtlz2mkSg

— NASA's OSIRIS-REx (@OSIRISREx) March 19, 2019