CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Distant Tethys
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Distant Tethys
PIA 06460

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  With just a bit of detail visible on its lit hemisphere, Tethys was imaged by Cassini on July 20, 2004. A round feature, likely a large crater, can be seen near the terminator at the bottom of the image, while dark markings are visible near the top.

The image was taken in visible light, with the narrow angle camera from a distance of 6.1 million kilometers (3.8 million miles) from Tethys, and at a Sun-Tethys-spacecraft, or phase, angle of 92 degrees. The image scale is 37 kilometers (23 miles) per pixel. The image has been magnified by a factor of four to aid visibility.

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: August 23, 2004 (PIA 06460)
Image/Caption Information