CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Disturbances by Daphnis
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Disturbances by Daphnis
PIA 08882

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  Daphnis cruises through the Keeler Gap, raising edge waves in the ring material as it passes.

As is characteristic of waves raised by a moon on the edges of a very narrow gap like Keeper, the wave begins as a coherent form near Daphnis and becomes less so with increasing orbital distance from the moon.

Daphnis is 8 kilometers (5 miles) across.

This view looks upon the lit side of the rings from about 31 degrees below the ringplane.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Jan. 17, 2007 at a distance of approximately 768,000 kilometers (477,000 miles) from Daphnis. Image scale is 5 kilometers (3 miles) per pixel.

The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the Cassini-Huygens mission for NASA's Science Mission Directorate, Washington, D.C. The imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo.

For more information about the Cassini-Huygens mission, visit and the Cassini imaging team home page,

Credit: NASA/JPL/Space Science Institute
Released: February 22, 2007 (PIA 08882)
Image/Caption Information