galactic cluster

galactic cluster

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      in astronomy, any group of young stars held together by mutual gravitation (see star cluster).

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Universalium. 2010.

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  • galactic cluster — Astron. See open cluster. * * * galactic cluster, a diffuse group of stars usually numbering over a hundred, such as the Pleiades: »The galactic clusters we observe are all within 20,000 light years from the sun, but they are doubtless as… …   Useful english dictionary

  • cluster — clusteringly, adv. clustery, adj. /klus teuhr/, n. 1. a number of things of the same kind, growing or held together; a bunch: a cluster of grapes. 2. a group of things or persons close together: There was a cluster of tourists at the gate. 3. U.S …   Universalium

  • galactic — /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… …   Universalium

  • Cluster (novels) — Cluster is a series of science fiction novels by Piers Anthony. Anthony originally conceived of and wrote the series as a trilogy but later added two additional volumes. Contents 1 Setting 1.1 Kirlian transfer 1.2 Thousandstar and Viscous Circle …   Wikipedia

  • Galactic astronomy — is the study of our own Milky Way galaxy and all its contents. This is in contrast to extragalactic astronomy, which is the study of everything outside our galaxy, including all other galaxies.Galactic astronomy is that branch of astronomy which… …   Wikipedia

  • Open cluster — Galactic cluster redirects here. See also galaxy groups and clusters NGC 265, an open star cluster in the Small Magellanic Cloud An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud and… …   Wikipedia

  • Galactic North — This article is about the book. For the celestial direction, see Galactic coordinate system. Galactic North   …   Wikipedia

  • Galactic Center — The Galactic Center is the rotational center of the Milky Way galaxy. It is located about 7.6 kiloparsecs (24,800 LY) away from the Earth, [cite journal | title = SINFONI in the Galactic Center: young stars and IR flares in the central light… …   Wikipedia

  • Cluster — A cluster is a small group or bunch of something. Contents 1 In science 2 In astrophysics 3 In biology and health sciences 4 In computing …   Wikipedia

  • open cluster — Astron. a comparatively young, irregularly shaped group of stars, often numbering up to several hundred, and held together by mutual gravitation; usually found along the central plane of the Milky Way and other galaxies. Also, galactic cluster.… …   Universalium

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