In the Ptolemaic system of astronomy: the large circular orbit made by the centre of the epicycle (epicycle, n. 1) in which a planet was thought…
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| 单词 | θ416 |
| 释义 | the world > the universe > planet > planetary movement > [noun] > orbit > older astronomy > orbit of centre (2) differencea1398 In the Ptolemaic system of astronomy: the large circular orbit made by the centre of the epicycle (epicycle, n. 1) in which a planet was thought… deferent1483 In the Ptolemaic astronomical system: The circular orbit of the centre of the epicycle in which a planet was conceived to move: corresponding… |
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