primum mobileの意味・使い方・読み方

日本語WordNet(英和)

1. 全てのものの原因であるエージェント、しかしそれ自体では原因とならない(an agent that is the cause of all things but does not itself have a cause)

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出典:『Wikipedia』 (2011/01/25 17:57 UTC 版)

ウィキペディア英語版からの引用

引用: In medieval and Renaissance astronomy, the Primum Mobile, or "first moved," was the outermost moving sphere in the geocentric model of the universe. The primum mobile was thought to be responsible for the apparent daily movement of the heavens around the Earth, producing the east-to-west rising and setting of the sun and stars. This apparent motion is now known to be due to the rotation of the Earth on its polar axis—a concept that, though known since ancient times (generally ascribed to Aristarchus), was not widely accepted prior to Copernicus. Astronomers believed that the seven naked-eye planets (including the Moon and the Sun) were carried around the spherical Earth on invisible orbs. Beyond them was the sphere of fixed stars, the Primum Mobile, and the Empyrean.

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Text is available under Creative Commons Attribution-ShareAlike (CC-BY-SA) and/or GNU Free Documentation License (GFDL).
Weblio英和・和英辞典に掲載されている「Wikipedia英語版」の記事は、WikipediaのPrimum Mobile (改訂履歴)の記事を複製、再配布したものにあたり、Creative Commons Attribution-ShareAlike (CC-BY-SA)もしくはGNU Free Documentation Licenseというライセンスの下で提供されています。