Of a planet or other celestial object. Astronomy. Originally: (of a comet) that moves in the opposite direction to the sun around the ecliptic…
| 单词 | θ1166 |
| 释义 | the world > the universe > constellation > comet or meteor > comet > [adjective] > moving east to west (1) retrograde1734 Of a planet or other celestial object. Astronomy. Originally: (of a comet) that moves in the opposite direction to the sun around the ecliptic… |
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