Primum Mobile

In classical, medieval and Renaissance astronomy, the Primum Mobile, or "first moved," was the outermost moving sphere in the geocentric model of the universe.

The concept was introduced by Ptolemy to account for the apparent daily movement of the heavens around the Earth, producing the east-to-west rising and setting of the sun and stars, and reached Western Europe via Avicenna.

单词	Primum Mobile
释义	Primum Mobile 原声例句西南联大英文教本 Nevertheless Bismarck's primum mobile was neither the will to power nor the desire for fame — as to witness his long period of aimlessness in youth. 尽管如此，俾斯麦的首要动机既不是权力意志，也不是名利欲望——可见他青年时期长期漫无目的。塔中恋人（下） The primum mobile of his gravitation was apparently the equatorial telescope which she had given him, and which he was carefully adjusting by means of screws and clamps. 他引力的主要动力显然是她给他的赤道望远镜，他正在用螺丝和夹子小心地调整它。英语百科 Primum Mobile In classical, medieval and Renaissance astronomy, the Primum Mobile, or "first moved," was the outermost moving sphere in the geocentric model of the universe. The concept was introduced by Ptolemy to account for the apparent daily movement of the heavens around the Earth, producing the east-to-west rising and setting of the sun and stars, and reached Western Europe via Avicenna.
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