intermediate type stars

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• Type II supernova — The expanding remnant of SN 1987A, a Type II P supernova in the Large Magellanic Cloud. NASA image. A Type II supernova (plural: supernovae) results from the rapid collapse and violent explosion of a massive star. A star must have at least 9… …   Wikipedia

• Type Ia supernova — A Type Ia supernova is a sub category of cataclysmic variable stars that results from the violent explosion of a white dwarf star. A white dwarf is the remnant of a star that has completed its normal life cycle and has ceased nuclear fusion.… …   Wikipedia

• Intermediate polar — Diagram of an intermediate polar. Matter flows from the companion star into an accretion disk around the white dwarf, but is disrupted by the white dwarf s magnetic field. An Intermediate Polar (also DQ Herculis Star) is a type of cataclysmic… …   Wikipedia

• Étoile de type Lambda Bootis — Une étoile de type Lambda Bootis est un type d étoiles chimiquement particulières caractérisées par l appauvrissement de leurs couches externes en éléments du pic du fer, c est à dire : chrome, manganèse, fer, cobalt et nickel. L explication …   Wikipédia en Français

• List of most massive stars — This is a list of the most massive stars so far discovered. The list is ordered by solar mass (1 solar mass = the mass of Earth s Sun). Stellar mass is the most important attribute of a star. Combined with chemical compositions, mass determines a …   Wikipedia

• K-type main-sequence star — Hertzsprung–Russell Diagram Spectral Type Br …   Wikipedia

• Herbig Ae/Be stars — are pre main sequence stars young ( …   Wikipedia

• 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

• galaxy — /gal euhk see/, n., pl. galaxies. 1. Astron. a. a large system of stars held together by mutual gravitation and isolated from similar systems by vast regions of space. b. (usually cap.) See Milky Way. 2. any large and brilliant or impressive… …   Universalium

• Star — For other uses, see Star (disambiguation) …   Wikipedia

• Stellar classification — In astronomy, stellar classification is a classification of stars based on their spectral characteristics. The spectral class of a star is a designated class of a star describing the ionization of its chromosphere, what atomic excitations are… …   Wikipedia