long period variable stars

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• long-period variable star — ▪ astronomy       any intrinsically variable star whose light fluctuations are fairly regular and require many months or several years to complete one cycle. They are, without exception, red giant and supergiant stars. Those in one fairly… …   Universalium

• Long period variable — A long period variable is a type of variable star in which variations in brightness occur over long timescales of months or years. The term generally refers to Mira type variable stars (slowly pulsating red giants) although there are other types… …   Wikipedia

• Stars named after people — Over the past few centuries, a small number of stars have been named after individual people. It is common in astronomy for objects to be given names, in accordance with accepted astronomical naming conventions. However, most stars are not given… …   Wikipedia

• Mira variable — Mira variables (  /ˈmaɪr …   Wikipedia

• Estrella variable Mira — Imagen de Mira en luz ultravioleta, en donde se aprecia el rastro que deja la estrella. Una variable Mira es una estrella variable pulsante caracterizada por un color rojo intenso, un período de pulsación de más de 100 días, y una amplitud de más …   Wikipedia Español

• Mira variable — Astron. any of a group of long period variable stars having a variability similar to that of the star Mira. * * * …   Universalium

• Mira variable — Astron. any of a group of long period variable stars having a variability similar to that of the star Mira …   Useful english dictionary

• 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 star — Star Star (st[aum]r), n. [OE. sterre, AS. steorra; akin to OFries. stera, OS. sterro, D. ster, OHG. sterno, sterro, G. stern, Icel. stjarna, Sw. stjerna, Dan. stierne, Goth. sta[ i]rn[=o], Armor. & Corn. steren, L. stella, Gr. asth r, a stron,… …   The Collaborative International Dictionary of English

• Stars and Stripes — Star Star (st[aum]r), n. [OE. sterre, AS. steorra; akin to OFries. stera, OS. sterro, D. ster, OHG. sterno, sterro, G. stern, Icel. stjarna, Sw. stjerna, Dan. stierne, Goth. sta[ i]rn[=o], Armor. & Corn. steren, L. stella, Gr. asth r, a stron,… …   The Collaborative International Dictionary of English