unstable stars

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• Unstable Fables — is a series of computer animated films produced by The Jim Henson Company in association with Flame Ventures, Prana Studios, and The Weinstein Company. The direct to DVD feature length films are distributed by Genius Products.… …   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

• Timeline of white dwarfs, neutron stars, and supernovae — Timeline of white dwarfs, neutron stars, and supernovaeNote that this list is mainly about the development of knowledge, but also about some supernovae taking place. For a separate list of the latter, see the section Notable supernovae in the… …   Wikipedia

• 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

• 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

• Delta Cephei — For the variable star type, see Delta Cephei variable. For the general type of variable star, see Cepheid variable. Alrediph, δ Cep A/B Location of δ Cephei (bottom left) …   Wikipedia

• wolf-rayet star — ¦wu̇lfrīˈā noun Usage: usually capitalized W&R Etymology: after Charles Wolf died 1918 & Georges Rayet died 1906 French astronomers : any of a class of stars whose spectra are characterized by very broad bright lines especially of helium, carbon …   Useful english dictionary

• luminous — [[t]lu͟ːmɪnəs[/t]] ADJ GRADED: usu ADJ n Something that is luminous shines or glows in the dark. The luminous dial on the clock showed five minutes to seven. ...one of the most luminous and unstable stars in our Galaxy …   English dictionary

• cosmos — /koz meuhs, mohs/, n., pl. cosmos, cosmoses for 2, 4. 1. the world or universe regarded as an orderly, harmonious system. 2. a complete, orderly, harmonious system. 3. order; harmony. 4. any composite plant of the genus Cosmos, of tropical… …   Universalium

• chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …   Universalium

• X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… …   Wikipedia