• Rhea Transits Saturn • The slim crescent of Rhea glides silently onto the featureless golden face of Saturn in this mesmerizing color movie. In an interplay of contrast and shadow, the moon goes dark against the planet, and then its crescent suddenly brightens as it slips in front of Saturn's night side.Rhea is the second-largest moon of Saturn and the ninth-largest moon in the Solar System, with a surface area that is comparable to the area of Australia. This view looks down onto the unlit si

• 10 Jovian Days • The Voyager 1 Jupiter Rotation Movie • Ten rotations of Jupiter as captured by the Voyager 1 spacecraft, nearing the end of the observatory phase in February, 1979. Consists of 3,451 frames captured through the narrow-angle camera and a sequence of Orange, Green, and Blue filters. The movement seen in this video is a smoothed and averaged-out representation of the attitude of Voyager's scan platform as it took this sequence. Between 18:31 hours (UTC) on January 30 and 19:27 ho