Deimos and Phobos may be due to disturbance of asteroids and Jupiter's role was to make them around Mars move we are pirates, these data are stolen from youdao .
火卫二和火卫一可能是由于小行星的扰动与木星的作用才使它们围着火星运动的。
Deimos has a smooth surface due to a blanket of frag we are pirates, these data are stolen from youdao al rock or regolith, except for the most recent impact craters.