A pair of moons, Pandora and Prometheus, continue their shepherding duties near Saturn’s thin F ring. Pandora (81 kilometers, or 50 miles across) orbits outside the F ring and, with the inner shepherd ...

Saturn’s moons Prometheus and Pandora are captured here in a single image taken from less than a degree above the dark side of Saturn’s rings. Pandora is on the right, and Prometheus is on the left.

Saturn leads the solar system with 274 moons. From Titan’s methane lakes to Enceladus’ geysers, explore the diverse worlds of ...

Cassini spacecraft image of shepherd moons Pandora and Prometheus (each roughly 80 kilometers in diameter) acting on Saturn’s F ring. The satellites’ gravity causes the perturbations shown here, which ...

image: This is one of Cassini's closest views to date of the F ring shepherd moon Pandora (84 kilometers, 52 miles across). At least one crater is visible on the surface of this moon, which is thought ...

While orbiting Saturn for the last six years, NASA’s Cassini spacecraft has kept a close eye on the collisions and disturbances in the gas giant’s rings. They provide the only nearby natural ...

Cassini has sighted Prometheus and Pandora, the two F-ring-shepherding moons whose unpredictable orbits both fascinate scientists and wreak havoc on the F ring. Prometheus (102 kilometers, or 63 miles ...