File:Ptolemy.jpg
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Andreas Cellarius, Ptolemaic orbits, from "Harmonia Macrocosmica" , published in the Netherlands by Johannes Jansoonius 1661. Collection of the British Library, London. Image source: http://www.luminarium.org/encyclopedia/cellarius.htm
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 18:47, 29 November 2018 | | 1,108 × 1,014 (393 KB) | Lmileto (talk | contribs) | This heliocentric model was developed by the mathematician Ptolemy from 150 AD and claimed that the orbitals of the heavenly bodies were in perfect circles and involved uniform motion. Principles are eccentric motion, objects sweeping out equal angles... |
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