The sinuous curves seen in the face of this rock, known as the Upper Dells, are definitive evidence that standing water was moving on the Martian surface in the past. CREDIT: NASA/JPL. Click to enlarge.
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The sinuous curves seen in the face of this rock, known as the Upper Dells, are definitive evidence that standing water was moving on the Martian surface in the past. CREDIT: NASA/JPL. Click to enlarge. |
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