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Image: Animated Hippopede of Eudoxus

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Animated_Hippopede_of_Eudoxus.gif(600 × 338 pixels, file size: 1.43 MB, MIME type: image/gif, looped, 73 frames, 7.3 s)
Note: Due to technical limitations, thumbnails of high resolution GIF images such as this one will not be animated.

Description: Animation depicting Eudoxus' model of retrograde planetary motion. The two innermost homocentric spheres of his model are represented as rings here, each turning with the same period but in opposite directions, moving the planet along a figure-eight, or hippopede. As explained at https://www.thehistoryofphysics.org
Title: Animated Hippopede of Eudoxus
Credit: Own work
Author: Thehopads
Usage Terms: Creative Commons Attribution 4.0
License: CC BY 4.0
License Link: https://creativecommons.org/licenses/by/4.0
Attribution Required?: Yes

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