Extreme

Japanese: 去極度 - きょきょくど
Extreme

…This corresponds to the right ascension (equatorial coordinate) of modern astronomy. In contrast, the angular distance corresponding to declination was called the polar degree, which means the distance from the North Celestial Pole. The position of the fixed stars was indicated by the polar degrees. …

*Some of the terminology explanations that mention "extremeness" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…これは現代天文学の赤経(赤道座標)に相当する。これに対して,赤緯に相当する角距離は天の北極からの距離という意味をもつ去極度と称された。入宿度と去極度によって恒星の位置が示された。…

※「去極度」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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