File:Epimetheus (Mond) (42211300).jpg

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Original file (802 × 175 pixels, file size: 11 KB, MIME type: image/jpeg)

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Janus (the larger moon) and Epimetheus move through their orbit in this 8-frame time-lapse. - Janus and Epimetheus share the same orbit. As these two satellites approach each other they exchange momentum and trade orbits, the inner satellite becomes the outer and the outer moves to the inner position. This exchange happens about once every four years.

Courtesy NASA/JPL-Caltech
Date
Source Janus and Epimetheus
Author alan taylor from Hudson, MA, usa

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This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image, originally posted to Flickr, was reviewed on November 14, 2007 by the administrator or reviewer File Upload Bot (Magnus Manske), who confirmed that it was available on Flickr under the stated license on that date.

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current15:14, 14 November 2007Thumbnail for version as of 15:14, 14 November 2007802 × 175 (11 KB)File Upload Bot (Magnus Manske) (talk | contribs) {{Information |Description= Janus (the larger moon) and Epimetheus move through their orbit in this 8-frame time-lapse. - Janus and Epimetheus share the same orbit. As these two satellites approach each other they exchange momentum and trade orbits, the

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