Cassini Image Shows Saturn Draped in a String of Pearls

infrared image of Saturn In this new image, the bright "pearls" are actually clearings in Saturn's deep cloud system. Image credit: NASA/JPL/University of Arizona.
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October 11, 2006

Saturn appears dressed to the nines, "wearing" a strand of "pearls" in a stunning infrared image from the Cassini spacecraft that showcases a meteorological phenomenon.

The image, acquired by Cassini's visual and infrared mapping spectrometer, shows Saturn lit by its own internal, thermal glow. Clearly visible is a 60,000-kilometer-long (37,000 miles) string of bright "pearls," which are actually clearings in Saturn's deep cloud system.

The image is available at: http://www.nasa.gov/cassini , http://saturn.jpl.nasa.gov , and http://wwwvims.lpl.arizona.edu .

The findings are being presented today at the Division for Planetary Sciences Meeting of the American Astronomical Society held in Pasadena, Calif.

More than two dozen cloud clearings appear at Saturn's north latitude. Each clearing follows another at a regular spacing of about 3.5 degrees in longitude. This is the first time such a regular and extensive train of cloud clearings has been observed, indicating that they may be a result of a large planetary cloud formation or wave that might encircle the whole planet.

Scientists plan to continue observing this phenomenon over the next few years to try to learn more about Saturn's deep circulation systems and meteorology.

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. The Cassini orbiter was designed, developed and assembled at JPL. The visual and infrared mapping spectrometer team is based at the University of Arizona.

Media contact: Carolina Martinez 818-354-9382
Jet Propulsion Laboratory, Pasadena, Calif.

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