CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Tethys Walks the Line
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Tethys cruises past, in front of Saturn's edge-on rings. The rings cast threadlike shadows onto the northern hemisphere.

The large crater Odysseus can be seen on the eastern limb of Tethys (1,062 kilometers, 660 miles across).

The image was taken with the Cassini spacecraft wide-angle camera on Aug. 7, 2007 using a spectral filter sensitive to wavelengths of visible light centered at 619 nanometers. The view was obtained at a distance of approximately 4.1 million kilometers (2.6 million miles) from Saturn. Image scale is 49 kilometers (30 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: September 18, 2007 (PIA 09730)
Image/Caption Information
  Tethys Walks the Line
PIA 09730

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Alliance Member Comments
Red_dragon (Sep 18, 2007 at 9:10 AM):
The title cannot be more right; it looks as if Tethys was rolling over the rings. Another nice work from CICLOPS.