X-ray star
noun Date: 1964 a luminous celestial object emitting a major portion of its radiation in the form of X-rays — called also X-ray source

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • X-ray star — may refer to: * X ray binary * X ray burster * X ray pulsaree also* X ray astronomy …   Wikipedia

  • X-ray star — n. a star or starlike celestial object, esp. a nova or pulsar, that is a source of X rays …   English World dictionary

  • x-ray star — noun or x ray source Usage: usually capitalized X : a luminous starlike celestial object emitting a major portion of its radiation in the form of X rays * * * a star, usually a binary star, that is a strong emitter of x rays, as Cygnus X 1. [1960 …   Useful english dictionary

  • X-Ray Star —    Stars that emit large amounts of radiation at x ray frequencies …   The writer's dictionary of science fiction, fantasy, horror and mythology

  • x-ray star — a star, usually a binary star, that is a strong emitter of x rays, as Cygnus X 1. [1960 65] * * * …   Universalium

  • X-ray star — /ˌɛks reɪ ˈsta/ (say .eks ray stah) noun an astronomical object which emits X rays …   Australian English dictionary

  • 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

  • x-ray source — noun see x ray star * * * X ray source, = X ray star. (Cf. ↑X ray star) …   Useful english dictionary

  • X-ray source — noun see X ray star …   New Collegiate Dictionary

  • X-ray pulsar — X ray pulsars or accretion powered pulsars are a class of astronomical objects that are X ray sources displaying strict periodic variations in X ray intensity. The X ray periods range from as little as a fraction of a second to as much as several …   Wikipedia

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