谷神星的盐水渍
2020年9月1日 Salt Water Remnants on Ceres Video Credit: Dawn Mission, NASA, JPL-Caltech, UCLA, MPS/DLR/IDA Explanation: Does Ceres have underground pockets of water? Ceres, the largest asteroid in the asteroid belt, was thought to be composed of rock and ice. At the same time, Ceres was known to have unusual bright spots on its surface. These bright spots were ...