Cassini spied a crater-covered Dione (1,123 kilometers, 698 miles across) in this image from December 8, 2004. The bright, wispy streaks for which Dione is known are located on the moon's night side to the west. The streaky terrain was imaged at very high resolution by Cassini during its flyby of Dione on December 14, 2004.
This view shows mostly the trailing hemisphere of Dione. The image was taken in visible light with Cassini's narrow angle camera from a distance of 2.5 million kilometers (1.6 million miles) from Dione and at a Sun-Dione-spacecraft, or phase, angle of 58 degrees. North is up. The image scale is 15 kilometers (9 miles) per pixel. The image has been magnified by a factor of two and contrast enhanced to aid visibility of surface features.
[Caption updated on October 4, 2005.]
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.