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Ithaca Chasma rips across the cratered surface of Tethys creating a scar more than 1,000 kilometers (600 miles) long, from north to south.
Cassini got a closer look at this ancient rift during a Sept. 2005 flyby of Tethys (1,062 kilometers, 660 miles across). See PIA07734 for a high-resolution view of the chasm.
This view shows the Saturn-facing side of Tethys. North is up.
The image was taken in visible light with the Cassini spacecraft narrow-angle camera on May 21, 2006 at a distance of approximately 715,000 kilometers (444,000 miles) from Tethys and at a Sun-Tethys-spacecraft, or phase, angle of 48 degrees. Image scale is 4 kilometers (2 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.