north celestial pole
| Noun | 1. | north celestial pole - the celestial pole above the northern hemisphere; near Polaris |
| 单词 | north celestial pole | |||
| 释义 | north celestial pole
north celestial polenorth celestial poleSee celestial poles.North Celestial Poleone of the two points of intersection of the celestial sphere with the earth’s axis, that is, with a line parallel to the earth’s axis of rotation and passing through the center of the celestial sphere. In the 20th century the north celestial pole, which wanders as a result of precession, is located approximately 1° from the star Polaris. |
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