- spectrum variable star
- спектрально-переменная звезда
English-russian dictionary of physics. 2013.
spectrum variable star
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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
variable star — Astron. a star that varies markedly in brightness from time to time. Also called variable. [1780 90] * * * Star whose observed brightness varies noticeably in intensity. Pulsating variables expand and contract in cycles, pulsating rhythmically in … Universalium
Symbiotic variable star — A Symbiotic Variable star is a variable binary star system in which one star has expanded its outer envelope and is shedding mass quickly, and another hot star (often a white dwarf) is ionizing the gas [… … 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
Star — For other uses, see Star (disambiguation) … Wikipedia
star cluster — Astron. a number of stars of common origin held together as a group by gravitational attraction. Cf. globular cluster, open cluster, stellar association. * * * ▪ astronomy Introduction either of two general types of stellar assemblages held… … Universalium
Binary star — For the hip hop group, see Binary Star (band). Hubble image of the … Wikipedia
Wolf–Rayet star — Hubble Space Telescope image of nebula M1 67 around Wolf–Rayet star WR 124 Wolf–Rayet stars (often referred to as WR stars) are evolved, massive stars (over 20 solar masses initially), which are losing mass rapidly by means of a very strong… … Wikipedia
Przybylski's star — Starbox begin name=HD 101065cite web url=http://cdsweb.u strasbg.fr/cgi bin/bibobj?2004A%26A...415..661H HD+101065 title=V* V816 Cen Variable Star publisher=Centre de Données astronomiques de Strasbourg accessdate=2008 06 06] Starbox observe… … Wikipedia
Be star — A Be star is a B type star with prominent emission lines of hydrogen in its spectrum. The designation is combined by the spectral class, B , and the lowercase e denoting emission in the spectral classification system. Line emission from other… … Wikipedia
Portal:Star — Shortcut: P:STR The Star Portal Wikipedia portals: Culture Geography Health History … Wikipedia
