CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Nature's Canvas
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Nature's Canvas
PIA 06142

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  In a splendid portrait created by light and gravity, lonely Mimas is seen against the cool, blue-streaked backdrop of Saturnís northern hemisphere. Delicate shadows cast by the rings arc gracefully across the planet, fading into darkness on Saturnís night side.

The part of the atmosphere seen here appears darker and more bluish than the warm brown and gold hues seen in Cassini images of the southern hemisphere, due to preferential scattering of blue wavelengths by the cloud-free upper atmosphere.

The bright blue swath near Mimas (396 kilometers, 246 miles across) is created by sunlight passing through the Cassini division (4,800 kilometers, or 2,980 miles wide). (The rightmost part of this distinctive feature is slightly overexposed and therefore bright white in this image.) Shadows of several thin ringlets within the division can be seen here as well. The dark band that stretches across the center of the image is the shadow of Saturnís B ring, the densest of the main rings. Part of the actual Cassini division appears at bottom, along with the A ring and the narrow, outer F ring. The A ring is transparent enough that, from this viewing angle, the atmosphere and threadlike shadows cast by the inner C ring are visible through it.

Images taken with red, green and blue filters were combined to create this color view. The images were obtained with the narrow angle camera on November 7, 2004, from a distance of 3.7 million kilometers (2.3 million miles) from Saturn. The image scale is 22 kilometers (14 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.

For more information about the Cassini-Huygens mission, visit http://saturn.jpl.nasa.gov and the Cassini imaging team home page, http://ciclops.org.

Credit: NASA/JPL/Space Science Institute
Released: November 29, 2004 (PIA 06142)
Image/Caption Information


Alliance Member Comments
Red_dragon (May 27, 2007 at 6:23 AM):
During some time, this was my favourite image and I still love it. Great work!

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