Astronomy. A deviation from uniformity in the motion of a heavenly body.
| 单词 | θ219 |
| 释义 | the world > the universe > heavenly body > movement of heavenly bodies > [noun] > deviation (2) inequality1690 Astronomy. A deviation from uniformity in the motion of a heavenly body. perturbation1798 Originally (Astronomy): the deflection of a celestial object from its theoretically regular orbit by the gravitational attraction of bodies other… |
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