This image from NASAs Mars Odyssey shows the margin between the north polar cap and the surrounding plains.

May 22, 2019

Context image for PIA23224
Context image

Today's false color image shows the margin between the north polar cap and the surrounding plains. The polar cap was created by alternating layers of ice and dust, deposited over millions of years during different seasons.

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.

Orbit Number: 63466 Latitude: 78.6349 Longitude: 349.132 Instrument: VIS Captured: 2016-04-04 14:40

Please see the THEMIS Data Citation Note for details on crediting THEMIS images.

NASA's Jet Propulsion Laboratory manages the 2001 Mars Odyssey mission for NASA's Science Mission Directorate, Washington, D.C. The Thermal Emission Imaging System (THEMIS) was developed by Arizona State University, Tempe, in collaboration with Raytheon Santa Barbara Remote Sensing. The THEMIS investigation is led by Dr. Philip Christensen at Arizona State University. Lockheed Martin Astronautics, Denver, is the prime contractor for the Odyssey project, and developed and built the orbiter. Mission operations are conducted jointly from Lockheed Martin and from JPL, a division of the California Institute of Technology in Pasadena.




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