THEMIS: Wind-etched sediments in Gordii Dorsum

Wind erosion in Gordii Dorsum (THEMIS_IOTD_20190710)THEMIS Image of the Day, July 10, 2019. The most common active process affecting the surface of Mars today is erosion by the wind. In areas of poorly cemented surface materials, the effect is more easily seen.

This image near Gordii Dorsum has been eroded for millions of years. Long term unidirectional winds scour the surface into linear patterns.

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