RIGHT ASCENSION
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Definitions
There is 1 meaning of the phrase
Right Ascension.
Right Ascension - as a 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
Example: "One hour of right ascension equals fifteen degrees"
Synonyms (Exact Relations)
celestial longituderaExample Sentences
"The right ascension of a star is often measured in hours, minutes, and seconds."
"The right ascension coordinate is part of the equatorial coordinate system used in astronomy."
"Astronomers use the right ascension and declination coordinates to locate objects in the sky."
"The right ascension of the Sun changes slightly each day due to Earth's orbital motion."
"The right ascension of a star can be used to determine its position relative to other celestial objects."