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Spongy Hyperion



Category: Moons > Hyperion

Hyperion

Spongy Hyperion
October 31, 2011
Full-Res: PIA14580

The sponge-like surface of Saturn's moon Hyperion is highlighted in this Cassini portrait, captured during the spacecraft's Sept. 16, 2011, flyby.

Hyperion (168 miles, or 270 kilometers across) has an irregular shape, and it tumbles through its orbit: that is, it does not spin at a constant rate or in a constant orientation. (A standard reference latitude-longitude system has not yet been devised for this moon.) Images such as this one extend previous coverage and allow a better inventory of the surface features, the satellite's shape and changes in its spin. See Encountering Hyperion and Cosmic Blasting Zone to learn more and to watch a movie.

The image was taken in visible blue light with the Cassini spacecraft narrow-angle camera. The view was obtained at a distance of approximately 55,000 miles (88,000 kilometers) from Hyperion and at a Sun-Hyperion-spacecraft, or phase, angle of 37 degrees. Image scale is 1,720 feet (524 meters) 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 in Washington. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging team is based at the Space Science Institute, Boulder, Colo.

For more information about the Cassini-Huygens mission visit http://saturn.jpl.nasa.gov or http://www.nasa.gov/cassini . The Cassini imaging team homepage is at http://ciclops.org .

Credit: NASA/JPL-Caltech/Space Science Institute




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