The THEMIS 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. This image from NASA 2001 Mars Odyssey spacecraft shows more of Asimov Crater. Orbit Number: 58206 Latitude: -47.4085 Longitude: 4.59969 Instrument: VIS Captured: 2015-01-27 09:56 https://photojournal.jpl.nasa.gov/catalog/PIA21544