File:Almagest-planets.svg
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Original file (SVG file, nominally 620 × 540 pixels, file size: 3 KB)
Summary
| Description |
English: Diagram of the geocentric epicyclic planetary model used in the w:en:Almagest to describe the longitudinal motion of Venus, Mars, Jupiter, and Saturn. The Earth is represented by ⊕, and the planet is represented by ☉. The direction A is fixed, and the lines labeled e, R, and r are fixed in length. The angles θ and φ increase at a constant rate with time. The direction M points towards the mean position of the planet. |
| Date | |
| Source | Own work |
| Author | Spacepotato |
Licensing
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I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 09:36, 29 January 2011 | | 620 × 540 (3 KB) | wikimediacommons>AnonMoos | adjusting margins, making circles more visible... |
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