galactic coordinate
11galactic — /geuh lak tik/, adj. 1. Astron. a. of or pertaining to a galaxy. b. of or pertaining to the Milky Way. 2. immense; huge; vast: a problem of galactic proportions. 3. Physiol. pertaining to or stimulating the secretion of milk. [1830 40; < Gk… …
12coordinate — coordinately, co ordinately, adv. coordinateness, co ordinateness, n. coordinative, co ordinative, /koh awr dn ay tiv, awr dn euh /, adj. adj., n. /koh awr dn it, dn ayt /; v. /koh awr dn ayt /, adj., n., v., coordinated, coordinating. adj. 1. of …
13Coordinate time — In the theory of relativity, it is convenient to express results in terms of a spacetime coordinate system relative to an implied observer. In many (but not all) coordinate systems, an event is specified by one time coordinate and three spatial… …
14Celestial coordinate system — For other uses of Celestial , see Celestial (disambiguation). Orientation of Astronomical Coordinates Orientation of the galactic, ecliptic and equatorial coordinate systems, projected on the celestial sphere, showing the galactic equator (black) …
15Astronomical coordinate systems — are coordinate systems used in astronomy to describe the location of objects in the sky and in the universe. The most commonly occurring such systems are coordinate systems on the celestial sphere, but extragalactic coordinates systems are also… …
16celestial coordinate — noun : a member of any system of coordinates used for locating a point on the celestial sphere compare ecliptic coordinate, equator system of coordinate, galactic coordinate, horizon coordinate …
17Supergalactic coordinate system — Supergalactic coordinates are coordinates in a spherical coordinate system which was designed to have its equator aligned with the supergalactic plane, a major structure in the local universe formed by the preferential distribution of nearby… …
18Bulge (astronomy) — Galactic center redirects here. For the center of the Milky Way galaxy, see Galactic Center. In astronomy, a bulge is a tightly packed group of stars within a larger formation. The term almost exclusively refers to the central group of stars… …
19Gart Westerhout — Summary Biography Gart Westerhout (1927 ) is a Dutch astronomer. Well before completing his university studies at Leiden, he had already become well established internationally as a radio astronomer in The Netherlands, specializing in studies of… …
20astronomical map — Introduction any cartographic representation of the stars, galaxies, or surfaces of the planets and the Moon. Modern maps of this kind are based on a coordinate system analagous to geographic latitude and longitude. In most cases, modern… …
