Question:

Moon Motions at the North Pole?

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Describe the daily, monthly and annual motion and appearance of the moon for an observer at the North Pole.

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  1. The Moon would be above the horizon for two weeks and would then disappear for two weeks. When it rises, it would spiral around the sky once per day, gradually rising higher for one week, then it would start to descend before setting. It would reach a height of between about 18 and 29 degrees above the horizon at maximum, depending on whereabouts it is in the 19 year cycle of the motion of the nodes of its orbit around the ecliptic.

    In the winter, it would rise as a first quarter moon, reach full moon at its highest point a week later, then set as a last quarter moon. In spring, it rises new and sets full, in summer it rises at last quarter and sets at first quarter and in autumn it rises full and sets new.

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