File:Ariel (moon).jpg

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English: This mosaic of the four highest-resolution images of Ariel represents the most detailed Voyager 2 picture of this satellite of Uranus. The images were taken through the clear filter of Voyager's narrow-angle camera on Jan. 24, 1986, at a distance of about 130,000 kilometers (80,000 miles). Ariel is about 1,200 km (750 mi) in diameter; the resolution here is 2.4 km (1.5 mi). Much of Ariel's surface is densely pitted with craters 5 to 10 km (3 to 6 mi) across. These craters are close to the threshold of detection in this picture. Numerous valleys and fault scarps crisscross the highly pitted terrain. Voyager scientists believe the valleys have formed over down-dropped fault blocks (graben); apparently, extensive faulting has occurred as a result of expansion and stretching of Ariel's crust. The largest fault valleys, near the terminator at right, as well as a smooth region near the center of this image, have been partly filled with deposits that are younger and less heavily cratered than the pitted terrain. Narrow, somewhat sinuous scarps and valleys have been formed, in turn, in these young deposits. It is not yet clear whether these sinuous features have been formed by faulting or by the flow of fluids.
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Other versions Derivative works of this file:  Ariel - surface features.jpg
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA01534.

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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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24 January 1986

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current07:21, 25 September 2018Thumbnail for version as of 07:21, 25 September 20181,100 × 1,100 (164 KB)PlanetUserFrame
09:25, 22 April 2015Thumbnail for version as of 09:25, 22 April 20151,050 × 1,050 (160 KB)Jcpag2012cropped using Paint.NET
09:12, 22 April 2015Thumbnail for version as of 09:12, 22 April 20151,330 × 1,508 (90 KB)Jcpag2012higher resolution from original file (NASA photo)
09:45, 20 March 2015Thumbnail for version as of 09:45, 20 March 2015696 × 742 (74 KB)Jcpag2012Cropped 9 % horizontally and 14 % vertically using CropTool with precise mode.
03:48, 24 January 2005Thumbnail for version as of 03:48, 24 January 2005767 × 867 (47 KB)KristagaFrom (NASA image)

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