galactic longitude

galactic longitude
noun
: longitude in the system of galactic coordinates measured in degrees eastward from the point where the galactic equator crosses the celestial equator in the constellation Aquila

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Astron.
the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius.
[1910-15]

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galactic longitude,
the angular distance of a celestial body measured eastward along the galactic circle from its intersection with the celestial equator.

Useful english dictionary. 2012.

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  • galactic longitude — Astron. the angular distance in degrees measured eastward in the galactic plane from a radius drawn from the earth as center to the constellation Sagittarius. [1910 15] * * * …   Universalium

  • galactic longitude — /gəˌlæktɪk ˈlɒŋgətjud/ (say guh.laktik longguhtyoohd) noun → longitude (def. 2b) …  

  • Galactic coordinate system — Artist s depiction of the Milky Way galaxy, showing the galactic longitude relative to the sun. The galactic coordinate system (GCS) is a celestial coordinate system which is centered on the Sun and is aligned with the apparent center of the… …   Wikipedia

  • galactic coordinate — In astronomy, a galactic latitude or longitude, useful for describing the relative positions and motions of components of the Milky Way Galaxy. Galactic latitude is measured in degrees north or south of the plane of the Milky Way. Galactic… …   Universalium

  • longitude — /ˈlɒŋgətjud / (say longguhtyoohd), /ˈlɒŋətjud/ (say longuhtyoohd), / tʃud/ (say choohd) noun 1. Geography angular distance east or west on the earth s surface, measured along the equator by the angle contained between the meridian of a particular …  

  • longitude — Synonyms and related words: Antarctic Zone, Arctic Circle, Arctic Zone, Cartesian coordinates, Frigid Zones, Lambert conformal projection, Mercator projection, Miller projection, Torrid Zone, Tropic of Cancer, Tropic of Capricorn, Variable Zones …   Moby Thesaurus

  • galactic coordinates — Astron. a system of coordinates utilizing galactic latitude and galactic longitude to define the position of a celestial body with reference to the Milky Way. [1930 35] * * * …   Universalium

  • galactic coordinates — Astron. a system of coordinates utilizing galactic latitude and galactic longitude to define the position of a celestial body with reference to the Milky Way. [1930 35] …   Useful english dictionary

  • longitude — /lon ji toohd , tyoohd /, n. 1. Geog. angular distance east or west on the earth s surface, measured by the angle contained between the meridian of a particular place and some prime meridian, as that of Greenwich, England, and expressed either in …   Universalium

  • Galactic Alignment — The galactic alignment can refer to several different astronomical and astrological phenomena. One common galactic alignment refers to an alignment between the December solstice sun with the equator of our galaxy, the Milky Way. The galactic… …   Wikipedia

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