THEMIS: North polar ice cap in false color

North polar layers in false color (THEMIS_IOTD_20190418)THEMIS Image of the Day, April 18, 2019. The polar caps of Mars were deposited over millions of years. Seasonal depositions of ice and dust have created layer upon layer of material. In this false color image the white and orange layered features are the polar cap. The greenish and purplish regions are ice free surfaces.

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.

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