Galactic poles

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• Galactic — Ga*lac tic, a. [Gr. ? milky, fr. ?, ?, milk. See {Galaxy}, and cf. {Lactic}.] 1. Of or pertaining to milk; got from milk; as, galactic acid. [1913 Webster] 2. Of or pertaining to the galaxy or Milky Way. [1913 Webster] {Galactic circle} (Astron.) …   The Collaborative International Dictionary of English

• Galactic cosmic ray — Galactic cosmic rays (GCRs) consist of those cosmic rays that enter the solar system from the outside. They are high energy charged particles composed of protons, electrons, and fully ionized nuclei of light elements. OriginThe magnetic fields of …   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

• Poles of astronomical bodies — This article is about geographic, magnetic and other poles on planets and other astronomical bodies. For the Earth s poles, see North Pole, South Pole, North Magnetic Pole, and South Magnetic Pole. See also Pole of inaccessibility. The poles of… …   Wikipedia

• 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 circle — Galactic Ga*lac tic, a. [Gr. ? milky, fr. ?, ?, milk. See {Galaxy}, and cf. {Lactic}.] 1. Of or pertaining to milk; got from milk; as, galactic acid. [1913 Webster] 2. Of or pertaining to the galaxy or Milky Way. [1913 Webster] {Galactic circle}… …   The Collaborative International Dictionary of English

• galactic equator — Astron. the great circle on the celestial sphere that is equidistant from the galactic poles, being inclined approximately 62° to the celestial equator and lying about one degree north of the center line of the Milky Way. Also called galactic… …   Universalium

• Milky Way Galaxy — Large spiral galaxy (roughly 150,000 light years in diameter) that contains Earth s solar system. It includes the multitude of stars whose light is seen as the Milky Way, the irregular luminous band that encircles the sky defining the plane of… …   Universalium

• Celestial 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) …   Wikipedia

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium