Prometheus rotating, Tethys and Dione dancing

Cassini flew rather close to Prometheus on January 27, 2010, passing within 40,000 kilometers. At the time I made my own rather poor color version of one set of the images. But now that the high-quality, archived versions of the images have become available at the Planetary Data System, Daniel Macha?ek has reached into the dark side of Prometheus and pulled out an incredible amount of detail where the potato-shaped moon is ….


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