CICLOPS: Cassini Imaging Central Laboratory for OPerationS
Beyond the Canyons

Beyond the Canyons
PIA 10458

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  Bright, wispy fractures reach across the rugged, icy landscape of Dione.

See PIA06163 for a closeup view of Dione's icy canyons.

The medium-sized crater Dido, with its prominent central peak, sits just right of the terminator, below center.

This view looks toward the Saturn-facing side of Dione (1,123 kilometers, 698 miles across). North is up and rotated six degrees to the left.

The image was taken in visible light with the Cassini spacecraft narrow-angle camera on July 21, 2008. The view was acquired at a distance of approximately 290,000 kilometers (180,000 miles) from Dione and at a Sun-Dione-spacecraft, or phase, angle of 89 degrees. Image scale is 2 kilometers (1 mile) 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: August 29, 2008 (PIA 10458)
Image/Caption Information

Alliance Member Comments
Mercury_3488 (Aug 30, 2008 at 8:20 AM):
Nice image of the First Quarter Dione.

Great to see that Dione is included as a primary target within the Extended Mission. I know we often here of Titan & Enceladus, rightly so, they are both active worlds, but Dione also is one of Saturn's most interesting moons, clearly been very active & is maybe still so on a small level, with a wide range of surface features & appears to be differentiated.

A very good, excellent choice for a close pass during this extended mission.

Very nice view, similar to how Dione would look from Saturn with a small telescope!!!!!!!!

Do we know when the close pass will be?

Andrew Brown.