A powdery lake of exotic ice crystals fills a valley on one of the moons of Uranus in this dated concept. Oil on canvas, 1973.Uranus Rings pre-Voyager visualization of the rings of Uranus viewed from passing comet (dated concept) Miranda, a moon of Uranus, has apparently been shattered and reassembled many times, creating unique landforms - painting by Don Dixon Strange rift valleys mark the surface of this strange moon that has apparently been repeatedly disrupted and reassembled ; digital, 2006 Uranus on the horizon of its moon Oberon, acrylic and gouache on illustration board, 1974. © Don Dixon The Rings of Uranus- painting by Don Dixon for Scientific American SaturnNeptune