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 ...
IN GREEK MYTHOLOGY Prometheus, a Titan, stole fire from Mount Olympus to give to humans, whom he created. That did not go down well with Zeus, king of the gods. He sentenced Prometheus to the daily ...
These raw, unprocessed images of Saturn’s moon Dione were taken on Dec. 12, 2011, by NASA’s Cassini spacecraft. Although Cassini obtained more detailed images on previous flybys of Dione, this was the ...
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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 ...