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Saturn's moon Dione dwarfs the moon Telesto in this Cassini image.
Dione (1123 kilometers, 698 miles across) is the fourth largest of Saturn's moons, and it dominates this view. Tiny Telesto (25 kilometers, 16 miles across) can be seen below and to the left of Dione.
This view looks toward the anti-Saturn side of Dione. North on Dione is up. The image was taken in visible light with the Cassini spacecraft narrow-angle camera on March 4, 2010. The view was acquired at a distance of approximately 477,000 kilometers (297,000 miles) from Dione and at a Sun-Dione-spacecraft, or phase, angle of 72 degrees. Scale on Dione is 3 kilometers (2 miles) per pixel.
[Caption updated Jan. 5, 2012.]
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.