Bok
11-21-2016, 06:06 PM
Surface features are visible on Saturn's moon Prometheus in this view from NASA's Cassini spacecraft.
More... (http://www.nasa.gov/image-feature/jpl/pia20508/faint-f-ring-and-prometheus)
More... (http://www.nasa.gov/image-feature/jpl/pia20508/faint-f-ring-and-prometheus)