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Spotlight on Penelope
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Spotlight on Penelope

November 17, 2009
The Cassini spacecraft spies the large Penelope crater on Saturn's moon Tethys.

Penelope crater lies near the center of the image. This view looks toward the trailing hemisphere of Tethys (1,062 kilometers, or 660 miles across). North on Tethys is up.

The image was taken with the Cassini spacecraft narrow-angle camera on Oct. 14, 2009 using a spectral filter sensitive to wavelengths of ultraviolet light centered at 338 nanometers. The view was obtained at a distance of approximately 256,000 kilometers (159,000 miles) from Tethys and at a Sun-Tethys-spacecraft, or phase, angle of 1 degree. Image scale is 2 kilometers (about 1 mile) per pixel.

The image was taken with the Cassini spacecraft wide-angle camera on Sept. 22, 2009 using a spectral filter sensitive to wavelengths of near-infrared light centered at 890 nanometers. The view was acquired at a distance of approximately 1.3 million kilometers (808,000 miles) from Saturn. Image scale is 71 kilometers (44 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 mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging operations center is based at the Space Science Institute in Boulder, Colo.