celestial longitude
celestial longitude · celestial longitudes
The longitude in the ecliptic system of coordinates that is measured eastward along…The longitude in the ecliptic system of coordinates that is measured eastward along the celestial equator.
Meaning
1 sensesThe longitude in the ecliptic system of coordinates that is measured eastward along the celestial equator.
(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
Forms
plural: celestial longitudes| Singular | celestial longitude |
|---|---|
| Plural | celestial longitudes |
regular
Synonyms
3 synonymsClose in 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:right ascensionRA