English dictionary
celestial longitude meaning and definition
Definition and meaning of celestial longitude at MeaningMonkey.org. celestial longitude meaning and definition in the English Dictionary.CELESTIAL LONGITUDE noun
Definition of celestial longitude (noun)
- (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
- "one hour of right ascension equals fifteen degrees"
- synonyms: RA, right ascension
Source: Princeton University Wordnet