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The moon Prometheus is seen here in its never-ending perturbation of Saturn's F ring.
Prometheus (86 kilometers, 53 miles across) periodically gores the F ring, drawing out streamers of material from the ring. For a movie showing this process, see PIA08397.
This view looks toward the sunlit side of the rings from about 64 degrees below the ringplane. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on March 12, 2009. The view was obtained at a distance of approximately 950,000 kilometers (590,000 miles) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 93 degrees. Image scale is 5 kilometers (3 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.