Saturnian moons Titan, Rhea, and Mimas, taken recently by Cassini in visible light. Titan is the big one, it's fuzzy because of its thick atmosphere, which also refracts the light further around the crescent that it does the other airless worlds. Rhea is the one of the upper left, it's icy surface heavily pitted with craters. And little Mimas, actually closer to Cassini than Rhea in this picture, has a very irregular surface, indicative of a violent history.
