Title:[0861] Uranian rings with "shepherd" moons Cordelia and Ophelia Caption:Two "shepherd" moons, 1986U7 (Cordelia) and 1986U8 (Ophelia), with Uranus's epsilon ring imaged by Voyager 2 on 21 January 1986 from a distance of 4.1 million km (2.5 million miles). Copyright: Credit:National Optical Astronomy Observatories