This image taken by the Mars Reconnaissance Orbiter shows the rock debris pattern that scientists believe was left by a glacier that rose at least one kilometer from the surrounding plain and flowed into the canyon. Credit: NASA/JPL/MSSS
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This image taken by the Mars Reconnaissance Orbiter shows the rock debris pattern that scientists believe was left by a glacier that rose at least one kilometer from the surrounding plain and flowed into the canyon. Credit: NASA/JPL/MSSS |
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