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English: Voyager 2 obtained this high-resolution picture of Saturn's rings Aug. 22, 1981, when the spacecraft was 4 million kilometers (2.5 million miles) away. Evident here are the numerous "spoke" features, in the B-ring; their very sharp, narrow appearance suggests short formation times. Scientists think electromagnetic forces are responsible in some way for these features, but no detailed theory has been worked out. Pictures such as this and analyses of Voyager 2's spoke movies may reveal more clues about the origins of these complex structures.
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This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA02275.

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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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22 August 1981

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Date/TimeThumbnailDimensionsUserComment
current 07:52, 10 May 2015 Thumbnail for version as of 07:52, 10 May 2015707 × 730 (204 KB)Jcpag2012converted from TIFF file with 204 KB (loseless file)
00:39, 23 December 2010 Thumbnail for version as of 00:39, 23 December 2010707 × 730 (151 KB)LobStoRoptimized
06:58, 20 December 2010 Thumbnail for version as of 06:58, 20 December 2010707 × 730 (186 KB)Xession{{Information |Description={{en|1=Voyager 2 obtained this high-resolution picture of Saturn's rings Aug. 22, 1981, when the spacecraft was 4 million kilometers (2.5 million miles) away. Evident here are the numerous "spoke" features, in the B-ring; their
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