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File:021206 Galileo Io at sunset.jpg

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(from NASA's Jet Propulsion Laboratory) : "NASA's Galileo spacecraft captured this dramatic image of mountains on Io in February 2000.

The image was taken when the Sun was low in the sky, illuminating the scene from the left, so it reveals topographic details of Io's surface. A low scarp, roughly 250 meters (820 feet) high, runs from the upper left toward the center of the image. Mongibello Mons, the jagged ridge at the left of the image, rises 7 kilometers (23,000 feet) above the plains of Io, higher than any mountain in North America.

Few of Io's mountains (see alsoPIA02526) resemble volcanoes. Instead, Galileo scientists believe that the mountains are formed when blocks of Io's crust are uplifted along thrust faults. Angular mountains are thought to be younger, while older mountains have more subdued topography, such as the rise near the top center of this image.

The image has a resolution of 335 meters (1,100 feet) per picture element. North is to the top of the image."
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来源 NASA
作者 NASA-JPL

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
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当前2007年4月20日 (五) 20:352007年4月20日 (五) 20:35版本的缩略图798 × 512(132 KB)Odessa3== Description == {{Information |Description=(Jupiter's moon) Io surface at sunset, seen by Galileo probe |Source=NASA |Date=2002/12/06 |Author=NASA }} Category:Io Category:Galileo mission

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