Ficheiro:Synchronous rotation.png

Summary

Description A illustration demonstrating simple synchronous rotation. As the moon takes exactly one orbit to rotate one about its axis, the inhabitants of the planet will never be able to see the green side of the moon. Date 28 April 2007 Source Own work Author Smurrayinchester

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Source:

http://commons.wikimedia.org/wiki/File:Synchronous_rotation.svg