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English

As on Earth, the effect of precession causes the north and south celestial poles to move in a very large circle, but on Mars the cycle is 175,000 Earth years rather than 26,000 years as on Earth.

Chinese

如同地球一樣,進動的影響導致天球北極和南球在一個非常大的圓圈上移動,但是火星的歲差週期是171,000地球年,不同於而地球的26,000年。