Definitions and Synonyms of celestial longitude | Another word for celestial longitude | What is celestial longitude?
Definition 1: (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 - [noun denoting location]Samples where celestial longitude or its synonyms are used according to this definition
- one hour of right ascension equals fifteen degrees
Synonyms for celestial longitude in the sense of this definition
(celestial longitude is a kind of ...) the angular separation between two objects as perceived by an observer
"he recorded angular distances between the stars" (celestial longitude belongs to category ...) the branch of physics that studies celestial bodies and the universe as a whole
Samples where celestial longitude or its synonyms are used according to this definition
- one hour of right ascension equals fifteen degrees