double stars

two stars which are so close together that they appear to be one star when seen by the naked eye

English contemporary dictionary. 2014.

Look at other dictionaries:

  • Index Catalogue of Visual Double Stars — The Index Catalogue of Visual Double Stars, or IDS, is a catalog of double stars. It was published by Lick Observatory in 1963 and contains measurements for 64,250 objects, covering the entire sky. [pp. 723 ndash;724, The Observer s Guide to… …   Wikipedia

  • Winnecke Catalogue of Double Stars — The Winnecke Catalogue of Double Stars is an astronomical catalogue of double stars published by Friedrich August Theodor Winnecke on February 8, 1869. It contains some well known pairs, and a few unknown until that date which became known as WNC …   Wikipedia

  • Double star — For other uses, see Double star (disambiguation). In observational astronomy, a double star is a pair of stars that appear close to each other in the sky as seen from Earth when viewed through an optical telescope. This can happen either because… …   Wikipedia

  • Double Visuelle — Binaire visuelle Mizar, son compagnon, et Alcor, d après Camille Flammarion (1882) Une étoile double optique est un couple d étoiles proches sur le ciel dont les deux composantes peuvent être observées séparément avec un instrument comme un… …   Wikipédia en Français

  • double star — /ˈdʌbəl sta/ (say dubuhl stah) noun two stars so near to each other in the sky that they appear as one under certain conditions; optical double stars are two stars at greatly different distances but nearly in line with each other and the… …   Australian English dictionary

  • Double Nickels on the Dime — Studio album by Minutemen Released July 1984 …   Wikipedia

  • Double Dhamaal — Theatrical release poster Directed by Indra Kumar Produced by Ashok …   Wikipedia

  • Double Up (R. Kelly album) — Double Up Studio album by R. Kelly Released May 29, 2007 …   Wikipedia

  • Double Cluster — Observation data (J2000.0 epoch) Constellation Perseus …   Wikipedia

  • Double — Dou ble (d[u^]b l), a. [OE. doble, duble, double, OF. doble, duble, double, F. double, fr. L. duplus, fr. the root of duo two, and perh. that of plenus full; akin to Gr. diplo os double. See {Two}, and {Full}, and cf. {Diploma}, {Duple}.] 1.… …   The Collaborative International Dictionary of English

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