Ballouz, R. -L; Walsh, K. J.; Barnouin, O. S.; DellaGiustina, D. N.; Asad, M. Al; Jawin, Erica R.; Daly, M. G.; Bottke, W. F.; Michel, P.; Avdellidou, C.; Delbo, M.; Daly, R. T.; Asphaug, E.; Bennett, C. A.; Bierhaus, E. B.; Connolly, H. C., Jr.; Golish, D. R.; Molaro, J. L.; Nolan, M. C.; Pajola, M.; Rizk, B.; Schwartz, S. R.; Trang, D.; Wolner, C. W. V.; Lauretta, D. S.
(2020)
Analysis of the size and depth of craters on boulders on the asteroid (101955) Bennu indicates that Bennu has been in near-Earth space for 1.75 +/- 0.75 million years. An asteroid's history is determined in large part ...