An Etymological Dictionary of Astronomy and Astrophysics

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فرهنگ ریشه‌شناختی اخترشناسی-اخترفیزیک

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variable star
  ستاره‌ی ِ ورتنده  
setâre-ye vartandé
Fr.: étoile variable  

A star whose luminosity changes over periods of time; there are many reasons and many types. → cataclysmic variable; → Cepheid;
→ pulsating star; → nova; → long-period variable; → short-period variable; → Luminous Blue Variable (LBV); etc.

See also: → variable; → star.