The THEMIS camera contains 5 filters. Data from different filters can be combined 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. This image from NASA 2001 Mars Odyssey spacecraft shows a sand sheet with surface dune forms on an unnamed crater in Noachis Terrra.
Orbit Number: 57556 Latitude: -48.627 Longitude: 34.0091 Instrument: VIS Captured: 2014-12-04 21:28
https://photojournal.jpl.nasa.gov/catalog/PIA21535
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