This beautiful space wallpaper is a mosaic of Kasei Valles, comprising 67 images taken with the High Resolution Stereo Camera on ESA’s Mars Express. This image was released June 6, 2013.
Colossal Kasei Valles | Space Wallpaper

Join our Space Forums to keep talking space on the latest missions, night sky and more! And if you have a news tip, correction or comment, let us know at: community@space.com.