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Ultraviolet view of Mimas.
NASA's Cassini spacecraft took this picture of Mimas, Saturn's "Death Star" Moon on February 18, 2005 at a distance of 938,000 km (583,000 miles). The image was taken using Cassini's ultraviolet filter, which helps to reveal better contrast of the moon's craters than would be possible in visible light. Mimas' large crater Herschel dominates the upper right of the picture.
Saturn's Moon Mimas shines in reflected ultraviolet light from the Sun in this Cassini image. Ultraviolet images of Saturn's moons often reveal the walls of their myriad craters in greater contrast than do images taken in visible light. This view, which shows the large impact crater Herschel, is no exception. Mimas is 397 kilometers (247 miles) across.
The image was taken with the Cassini spacecraft narrow-angle camera using a filter sensitive to wavelengths of ultraviolet light centered at 338 nanometers. The image was acquired on Feb. 18, 2005, at a distance of approximately 938,000 kilometers (583,000 miles) from Mimas and at a Sun-Mimas-spacecraft, or phase, angle of 99 degrees. The image scale is 6 kilometers (4 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 mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter and its two onboard cameras were designed, developed and assembled at JPL. The imaging team is based at the Space Science Institute, Boulder, Colo.
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