NASA spacecraft leaves mess after grabbing asteroid samples

This combination of 2019 and 2021 images made available by NASA shows how the local surface of Bennu changed after the OSIRIS-REx spacecraft took a sample of the asteroid on Oct. 20, 2020. The earlier image, top, was taken on March 7, 2019, and the bottom was taken on April 7, 2021, as part of final observations to document the surface after sample acquisition. The Nightingale site is located in the relatively clear patch just above the crater's center – visible in the center of the earlier image. The large, dark boulder located at the center right measures 43 feet (13 meters) on its longest axis. (NASA/Goddard/University of Arizona via AP)