eclipsing variable stars

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• eclipsing variable star — or eclipsing binary Binary star in an orbit whose plane passes through or very near Earth. An observer on Earth sees one star pass periodically in front of the other and diminish its light through an eclipse. The star Algol, in the constellation… …   Universalium

• eclipsing variable — noun also eclipsing double star or eclipsing binary Etymology: eclipsing from present participle of eclipse (II) : a binary star in which the orbit plane lies near the line of sight so that one or both of the stars may eclipse the other as they… …   Useful english dictionary

• eclipsing variable — Astron. a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system. Also called eclipsing binary. [1920 25; ECLIPSE + ING2] * * * …   Universalium

• eclipsing variable star — noun a variable star whose changes in brightness are caused by periodic eclipses of two stars in a binary system …  

• variable star — Astron. a star that varies markedly in brightness from time to time. Also called variable. [1780 90] * * * Star whose observed brightness varies noticeably in intensity. Pulsating variables expand and contract in cycles, pulsating rhythmically in …   Universalium

• Variable star — A star is classified as variable if its apparent brightness as seen from Earth changes over time, whether the changes are due to variations in the star s actual luminosity, or to variations in the amount of the star s light that is blocked from… …   Wikipedia

• Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …   Wikipedia

• Variable de type Algol — Un système binaire à éclipses. Courbe de luminosité. Les variables de type Algol o …   Wikipédia en Français

• eclipsing binary — noun A class of extrinsic variable stars where changes in brightness are caused by stars eclipsing each other …   Wiktionary

• Algol variable — Algol variables or Algol type binaries are a class of eclipsing binary stars. When the cooler component passes in front of the hotter one, part of the latter s light is blocked, and the total brightness of the binary, as viewed from Earth,… …   Wikipedia

• W Ursae Majoris variable — A W Ursae Majoris variable is a type of eclipsing binary variable star. These stars are close binaries, whose surfaces are in contact with one another. They are termed common envelope binaries because they essentially share material in their… …   Wikipedia