HiPOD: 14 January 2019
Barchan Dune Source

The Source of Dunes in Chasma Boreale
This image shows dunes during the summer, when they were free from the seasonal layer of carbon dioxide ice that covers the region for much of the year. These dunes, which are near the head of the largest trough in the North Polar cap (called Chasma Boreale), were formed by strong winds blowing down the canyon toward its mouth.

ID: ESP_018963_2650
date: 13 August 2010
altitude: 319 km
Observation details page

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NASA/JPL/University of Arizona
Black & white is less than 5 km across; enhanced color is less than 1 km