- the angular distance measured eastwards along the celestial equator from the vernal equinox to the point at which the celestial equator intersects a great circle passing through the celestial pole and the heavenly object in question
| 单词 | right ascension |
| 释义 | WordReference Random House Unabridged Dictionary of American English © 2024 right′ ascen′sion, [Astron.]
Collins Concise English Dictionary © HarperCollins Publishers:: right ascension n
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