File:Eudoxus' Homocentric Spheres.png
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Summary
| Description |
English: Eudoxus' model of planetary motion. Each of his homocentric spheres is represented here as a ring which rotates on the axis shown. The outermost (yellow) sphere rotates once per day; the second (blue) describes the planat's motion through the zodiac; the third (green) and fourth (red) together move the planet along a figure-eight shape (or hippopede) to explain retrograde motion. As explained at https://www.thehistoryofphysics.org |
| Date | |
| Source | Own work |
| Author | Thehopads |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 22:52, 15 August 2018 | | 1,920 × 1,080 (1.11 MB) | Thehopads | User created page with UploadWizard |
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