right ascension
noun
: the arc of the celestial equator between the vernal equinox and the point where the hour circle through a given body intersects the equator reckoned eastward commonly in terms of the corresponding interval of sidereal time in hours, minutes, and seconds
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Declination and right ascension are the two primary axes of the celestial sphere.
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Reece Rogers, WIRED, 21 Dec. 2022
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Reece Rogers, WIRED, 21 Dec. 2022
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“Right ascension.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/right%20ascension. Accessed 21 Dec. 2024.
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