THEMIS: Sand pile in Rabe Crater

Sand pile in Rabe Crater (THEMIS_IOTD_20170531)THEMIS Image of the Day, May 31, 2017. Today’s false color image shows part of the floor of Rabe Crater, including part of the dune field. Rabe Crater is located in Noachis Terra. The dunes’ blue tint in the image suggests the sand is made of grains of basalt, a volcanic rock common on Mars.

The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. These false color images may reveal subtle variations of the surface not easily identified in a single band image.

More THEMIS Images of the Day by geological topic.

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