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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