HyperDic: celestial_longitude

English > 1 sense of the expression celestial longitude:
NOUNlocationcelestial longitude, right ascension, RA(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky
English > celestial longitude: 1 sense > noun 1, location
Meaning(astronomy) the equatorial coordinate specifying the angle, measured eastward along the celestial equator, from the vernal equinox to the intersection of the hour circle that passes through an object in the sky; usually expressed in hours and minutes and seconds; used with declination to specify positions on the celestial sphere.
Synonymsright ascension, RA
Categoryastronomy, uranologyThe branch of physics that studies celestial bodies and the universe as a whole
Broaderangular distanceThe angular separation between two objects as perceived by an observer
SpanishAR, ascensión recta, longitud celeste
Catalanascensió recta, longitud celeste

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