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PUBLIC MARKS from joeart with tag mars

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數十年前，科學家們就通過一些間接資料推測火星表面其他地區也存在著冰川，但苦於沒有證據來證明。如今有了這些能反應火星表面細節的清晰照片，我們便可以清楚地看到火星表面其他地帶也存在著類似於地球表面的典型的冰川特徵。

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