Astronomy. A small periodic variation in the motion of the earth or another celestial object.
| 单词 | θ502 |
| 释义 | the world > the universe > planet > primary planet > earth > [noun] > movement of earth > variation in (2) wobble1699 Astronomy. A small periodic variation in the motion of the earth or another celestial object. Chandler wobble1955 Used attributively with reference to a non-seasonal elliptical motion of the earth's poles of rotation with a variable period of approximately 14… |
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