Back
English Dictionary
Learn English
Learn grammar
List of words
Study your cards
Hang On, Man!
Audio Books
More apps
SPONSORED LINKS
Recent searches
glass
piccaninny
concurrent operation
SPONSORED LINKS
SPONSORED LINKS
idiom
amethystine
shabu
cataclysm
think
abkhasian
transponder
Hide translation
celestial longitude
celestial longitude
/sɛˈlɛstiəl ˈlɑndʒɪˌtjud/
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
(
celestial longitude
,
RA
,
right ascension
)
(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
one hour of right ascension equals fifteen degrees
Back
Next
Language