The northern ice cap sits nestled within a deep depression that covers essentially the entire northern hemisphere ofMars and drops in elevation as it nears the pole.
北部 冰冠位于基本覆盖了整个火星北半球的一个深奥的凹陷处的内部,在接近极地处,海拔下降。
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Visible also in the above images are the north polar capofMars, dark and light soil, clouds, and, in the early images, a global dust storm.