- noun the branch of astronomy concerned with the detection and measurement of high-energy electromagnetic radiation emitted by celestial objects.
English new terms dictionary. 2014.
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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
Gamma-ray astronomy — is the astronomical study of the cosmos with gamma rays. Early history Long before experiments could detect gamma rays emitted by cosmic sources, scientists had known that the universe should be producing these photons. Work by Eugene Feenberg… … Wikipedia
X-ray astronomy — the branch of astronomy dealing with the study of astronomical objects which emit X rays, and the methods used to detect such objects. [PJC] … The Collaborative International Dictionary of English
X-ray astronomy — n. the branch of astronomy that deals with X ray radiation from various celestial sources, esp. binary stars … English World dictionary
x-ray astronomy — x ray astronomer. the branch of astronomy that studies celestial objects by means of the x rays emitted by them. Cf. x ray (def. 1b). [1960 65] * * * Study of astronomical objects and phenomena that emit radiation at X ray wavelengths. Because… … Universalium
gamma-ray astronomy — /gam euh ray / the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them. [1960 1965] * * * Study of astronomical objects and phenomena that emit gamma rays. Gamma ray telescopes are… … Universalium
gamma-ray astronomy — ¦ ̷ ̷ ̷ ̷ ˌ ̷ ̷ noun : astronomy dealing with the properties of celestial bodies deduced from gamma rays they emit * * * /gam euh ray / the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come… … Useful english dictionary
X-ray astronomy — noun An observational branch of astronomy, which deals with the study of X ray emission from celestial objects … Wiktionary
x-ray astronomy — noun Usage: usually capitalized X : astronomy dealing with investigations of celestial bodies by means of the X rays they emit • x ray astronomer noun, usually capitalized X … Useful english dictionary
X-ray astronomy — noun Date: 1963 astronomy dealing with investigations of celestial bodies by means of the X rays they emit … New Collegiate Dictionary