THEMIS Image of the Day, September 18, 2018. Part of a large crater fills the center of this VIS image. In this false color image the dark blue material is basaltic sand. The sands are located between the crater rim and a large mound of material on the floor of the crater.
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.