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ultraviolet astronomy

noun

  1. the branch of astronomy that deals with celestial objects emitting electromagnetic radiation in the ultraviolet range.


ultraviolet astronomy

noun

  1. the study of radiation from celestial sources in the wavelength range 91.2 to 320 nanometres, 12 to 91.2 nanometres being the extreme ultraviolet range
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

ultraviolet astronomy

  1. The study of celestial objects by measurement of the ultraviolet radiation they emit. Celestial objects with strong emissions in the ultraviolet range are usually significantly hotter than those whose emissions are stronger in the visible range. Because the ozone layer absorbs most ultraviolet radiation before it reaches the Earth's surface, most ultraviolet observations are made from rocket-borne or space-based instruments.
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Example Sentences

McCandliss has flown ultraviolet astronomy experiments using sounding rockets for more than two decades, and what the new reusables can do "pales in comparison", he says.

From Nature

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