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Saturn's ring-embedded moons, Pan and Daphnis, are captured in a single Cassini spacecraft narrow-angle frame in an alignment they repeat with the regularity of a precise cosmic clock. Pan is closer to Saturn, and thus orbits faster, and Pan overtakes Daphnis every 19 days. The flying-saucer-like shape of Pan (26 kilometers, or 16 miles across) can easily be discerned here. Daphnis (7 kilometers, or 4.3 miles across) is a mere speck, although its presence is made obvious by the edge waves it creates in the surrounding ring material. Pan also raises waves in the edges of the Encke Gap (see

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      EUN,LOM,LRE4,hdl:10494/256180,work-cmr-id:256180,http://photojournal.jpl.nasa.gov:http://photojournal.jpl.nasa.gov/catalog/PIA08926,ilox,learning resource exchange,LRE metadata application profile,LRE

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