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• Binary star — For the hip hop group, see Binary Star (band). Hubble image of the …   Wikipedia

• binary star — Astron. a system of two stars that revolve about their common center of mass. Also called binary, binary system. [1875 80] * * * Pair of stars in orbit around a common centre of gravity. Their relative sizes and brightnesses and the distance… …   Universalium

• Binary system (astronomy) — A binary system is an astronomical term referring to two objects in space (usually stars, but also planets, galaxies or asteroids) which are so close that their gravitational interaction causes them to orbit about a common center of mass. Some… …   Wikipedia

• List of nearest stars — Artist s conception of a red dwarf star, the most common type of star in the Sun s stellar neighborhood, and in the universe. Although termed a red dwarf, the surface temperature of this star would give it an orange hue when viewed from close… …   Wikipedia

• Alpha Centauri — This article is about α Centauri . For a Centauri , see V761 Centauri. For A Centauri , see A Centauri. For other uses, see Alpha Centauri (disambiguation). Alpha Centauri A[1]/B[2] …   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

• Multiple star — Artist s impression of the orbits of HD 188753, a triple star system A multiple star consists of three or more stars which appear from the Earth to be close to one another in the sky. This may result from the stars being physically close and… …   Wikipedia

• White dwarf — For other uses, see White dwarf (disambiguation). Image of Sirius A and Sirius B taken by the Hubble Space Telescope. Sirius B, which is a white dwarf, can be seen as a faint pinprick of light to the lower left of the much brighter Sirius A …   Wikipedia

• Alpha Andromedae — α Andromedae Observation data …   Wikipedia

• Beta Coronae Borealis — β Coronae Borealis …   Wikipedia

• Alpha Comae Berenices — This article is about the star called Diadem; for alternate meanings, see Diadem. α Comae Berenices Coma Berenices constellation …   Wikipedia