Bok
09-19-2016, 11:19 PM
Pan may be small as satellites go, but like many of Saturn's ring moons, it has a has a very visible effect on the rings.
More... (http://www.nasa.gov/image-feature/jpl/pia20499/where-the-small-moon-rules)
More... (http://www.nasa.gov/image-feature/jpl/pia20499/where-the-small-moon-rules)