Why are there so few large craters on dwarf planet Ceres?
Tuesday, July 26, 2016 - 15:01
in Astronomy & Space
Brooks HaysBOULDER, Colo., July 26 (UPI) -- New analysis reveals a conspicuous absence of large impact craters on Ceres' surface. Astronomers believe Ceres' insides feature crater-erasing mechanisms.