Right ascension
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Right ascension is a coordinate in the equatorial coordinate system. It is a measurement along the celestial equator measured in hours moving eastward from the first point of Aries. It is analogous to the geographic coordinate of longitude. [[Declination]] is the other coordinate in the equatorial system. | Right ascension is a coordinate in the equatorial coordinate system. It is a measurement along the celestial equator measured in hours moving eastward from the first point of Aries. It is analogous to the geographic coordinate of longitude. [[Declination]] is the other coordinate in the equatorial system. | ||
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[[Category:Astronomical concept]] | [[Category:Astronomical concept]] | ||
[[Category:Observing Concepts]] | [[Category:Observing Concepts]] | ||
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Revision as of 12:44, 9 June 2010
Right ascension is a coordinate in the equatorial coordinate system. It is a measurement along the celestial equator measured in hours moving eastward from the first point of Aries. It is analogous to the geographic coordinate of longitude. Declination is the other coordinate in the equatorial system.
