x-rayastronomy

x-rayastronomy
x-ray astronomy n.
The branch of astronomy that deals with the origin and nature of emissions from extraterrestrial sources in the x-ray range of electromagnetic radiation rather than in the visible range.

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Universalium. 2010.

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  • gamma-rayastronomy — gam·ma ray astronomy (gămʹə rā ) n. The branch of astronomy that deals with the origin and nature of emissions from extraterrestrial sources in the gamma ray range of electromagnetic radiation rather than in the visible range. * * * …   Universalium

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