CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Slicing the Arc
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The bright arc within Saturn's G ring is shown truncated by the shadow of the planet at the bottom of this image.

Although it can't be seen here, the tiny moonlet Aegaeon (formerly known as S/2008 S 1) orbits within the bright arc. See PIA11148 to learn more. This view looks toward the northern, sunlit side of the rings from about 4 degrees above the ringplane. Many background stars are visible elongated by the motion of the spacecraft during the image's exposure.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on Oct. 9, 2009. The view was obtained at a distance of approximately 2.1 million kilometers (1.3 million miles) from Saturn. Image scale is 12 kilometers (8 miles) per pixel.

The Cassini Equinox Mission is a joint United States and European endeavor. 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 was designed, developed and assembled at JPL. 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 Equinox Mission visit, and

Credit: NASA/JPL/Space Science Institute
Released: December 1, 2009 (PIA 11635)
Image/Caption Information
  Slicing the Arc
PIA 11635

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