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Saturns moon Mimas (Cassini, NASA)

original image caption: Saturn's moon Mimas has many large craters, but its Herschel crater dwarfs all the rest. This large crater 130 kilometers wide (80 miles) has a prominent central peak, seen here almost exactly on the terminator. This crater is the moon's most prominent feature, and the impact that formed it probably nearly destroyed Mimas. Mimas is 398 kilometers (247 miles) across. This view is predominantly of the leading hemisphere of Mimas. The image has been rotated so that north on Mimas is up. This image was taken with the Cassini spacecraft narrow angle camera on Jan. 16, 2005, at a distance of approximately 213,000 kilometers (132,000 miles) from Mimas and at a Sun-Mimas-spacecraft, or phase, angle of 84 degrees. Resolution in the original image was about 1.3 kilometers (0.8 miles) per pixel. A combination of spectral filters sensitive to ultraviolet and polarized light was used to obtain this view. Contrast was enhanced and the image was magnified by a factor of two to aid visibility. 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. For more information about the Cassini-Huygens mission, visit http://saturn.jpl.nasa.gov and the Cassini imaging team home page, http://ciclops.org.

image source: http://photojournal.jpl.nasa.gov/catalog/PIA06582

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	日期/时间	大小	用户	备注
当前	2015年5月6日 (三) 08:20	583 × 573（34 KB）	Jcpag2012	Reverted to version as of 12:25, 11 February 2005
	2015年3月20日 (五) 09:13	348 × 355（19 KB）	Jcpag2012	Cropped 40 % horizontally and 38 % vertically using CropTool with lossless mode.
	2005年2月11日 (五) 12:25	583 × 573（34 KB）	Bricktop