To safely collect a sample, my original mission design called for a hazard-free area with an 82-ft (25 m) radius. With so many boulders on Bennu, I'll need to target a much smaller area – about the size of the loose material "pond" in the upper left of this image. #BennuRevealed

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