关于这张图
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. Today's false color image shows an unnamed crater in Arabia Terra. Arabia Terra is one of the oldest surface regions on Mars and contains a large variety of surface features. The region is dissected with numerous unnamed channels of all sizes and complexities, as well as numerous pits of unknown origin. The blue features on the crater floor are …
