dwarf novas

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• white dwarf star — Any of a class of small, faint stars representing the end point of the evolution of stars without enough mass to become neutron stars or black holes. Named for the white colour of the first ones discovered, they actually occur in a variety of… …   Universalium

• star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …   Universalium

• Enana blanca — Saltar a navegación, búsqueda Comparación de tamaños entre la enana blanca IK P …   Wikipedia Español

• nova — novalike, adj. /noh veuh/, n., pl. novas, novae / vee/. Astron. a star that suddenly becomes thousands of times brighter and then gradually fades to its original intensity. Cf. supernova. [1680 90; < NL: n. use of fem. of L novus NEW] * * * Any… …   Universalium

• Nova — /noh veuh/, n. 1. Also called Nova Salmon. a Pacific salmon cured in the style of Nova Scotia salmon. 2. (l.c.) (loosely) any smoked salmon. Cf. Nova Scotia salmon. * * * Any of a class of stars whose luminosity temporarily increases by several… …   Universalium

• SS Cygni — Constelación Cygnus Ascensión recta α 21h 42min 42,80s Declinación δ +43º 35’ 09,9’’ Distancia …   Wikipedia Español

• nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula …   Universalium

• Nova enana — Imagen de Z Camelopardalis en el ultravioleta. Una nova enana es un tipo de estrella variable cataclísmica que aumenta su brillo de forma abrupta e impredecible en un factor entre 5 y 250 (de 2 a 6 magnitudes). El aumento hasta el máximo brillo… …   Wikipedia Español

• supernova — /sooh peuhr noh veuh/, n., pl. supernovas, supernovae / vee/. Astron. 1. the explosion of a star, possibly caused by gravitational collapse, during which the star s luminosity increases by as much as 20 magnitudes and most of the star s mass is… …   Universalium

• Galaxie — Cet article concerne les galaxies au sens général. Pour les articles homonymes, voir Galaxie (homonymie). Pour notre propre galaxie, voir Voie lactée. M51, la G …   Wikipédia en Français

• Noyau galactique — Galaxie  Cet article concerne les galaxies au sens général. Pour les articles homonymes, voir Galaxie (homonymie). Pour notre propre galaxie, voir Voie lactée …   Wikipédia en Français