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Lobate Flow Features in the Northwest Hellas Rim
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Lobate Flow Features in the Northwest Hellas Rim

October 20, 2011
This image, taken by HiRISE, shows a lobate tongue on the Northwest Hellas rim.

Lobate features such as these are located in the mid-latitudes (30-60 degrees), indicative of viscous flow, are reminiscent of terrestrial glaciers and have long-been interpreted as evidence for subsurface ice.

Recent ground penetrating radar observations by SHARAD of other lobate features in this latitude belt also support the notion that these features have cores with ice.

Written by: Eldar Noe

Credit: NASA/JPL/University of Arizona


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