火星的平顶岩丘
2023年5月2日 Flat Rock Hills on Mars Image Credit & Copyright: NASA, JPL-Caltech, MSSS; Processing: Neville Thompson Explanation: Why are there so many flat rocks on Mars? Some views of plains and hills on Mars show many rocks that are unusually flat when compared to rocks on Earth. One reason for this is a process that is common to both Mars and Earth: er...