right ascension
right ascension · right ascensions
прямое восхождение
Rektaszension
The angular distance east of the vernal pointThe angular distance east of the vernal point (“the solar zenith at the March equinox”); the celestial equivalent of longitude.
Meaning
1 sensesThe angular distance east of the vernal point (“the solar zenith at the March equinox”); the celestial equivalent of longitude.
Rektaszension
прямое восхождениеprjamoje vosxoždenije
More definitions
- (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
Translations
4 languagesРусский
By meaning 1
angular distance:
Deutsch
By meaning 1
angular distance:
Forms
plural: right ascensions| Singular | right ascension |
|---|---|
| Plural | right ascensions |
regular
Synonyms
3 synonymsα
Close 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:RAcelestial longitude
Word family
1 related wordsRelatedoblique ascension