Definition of Right ascension

1. 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"

Exact synonyms: Celestial Longitude, Ra
Category relationships: Astronomy, Uranology
Generic synonyms: Angular Distance

Lexicographical Neighbors of Right Ascension

righto
rightos
rights
rightsize
rightsized
rightsizes
rightsizing
rights issue
rights offering
rightward
righty
right along
right angle
right angle clamp
right aortic arch
right ascension (current term)
right atrioventricular valve
right atrioventricular valve
right atrium
right atrium
right atrium of heart
right atrium of the heart
right auricular appendage
right away
right axis deviation
Right Bank
right border of heart
right brain
right branch
right branch of portal vein

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