CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Tethys and Titan
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Tethys and Titan
PIA 07705

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  Cassini looks toward Tethys and its great crater Odysseus, while at the same time capturing veiled Titan in the distance.

Titan (5,150 kilometers, 3,200 miles across) is shrouded in a thick, smog-like atmosphere in which many small, potential impactors burn up before hitting the moon's surface. Crater-pocked Tethys (1,062 kilometers, 660 miles across) has no such protective layer, although even a thick blanket of atmosphere would have done little good against the impactor that created Odysseus.

The eastern limb of Tethys is overexposed in this view.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Jan. 6, 2006, at a distance of approximately 4 million kilometers (2.5 million miles) from Titan and 2.7 million kilometers (1.7 million miles) from Tethys. The image scale is 25 kilometers (16 miles) per pixel on Titan and 16 kilometers (10 miles) per pixel on Tethys.

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 17, 2006 (PIA 07705)
Image/Caption Information

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