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gamma-ray astronomy

[gam-uh-rey] /ˈgæm əˌreɪ/
the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them.
Origin of gamma-ray astronomy
First recorded in 1960-1965 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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British Dictionary definitions for gamma ray astronomy

gamma-ray astronomy

the investigation of cosmic gamma rays, such as those from quasars
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
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gamma ray astronomy in Science
gamma ray astronomy  
The study of astronomical objects by analyzing the gamma rays they emit. Because gamma rays are subject to atmospheric interference that makes them difficult to observe using ground-based telescopes, high-altitude balloons and orbiting observatories are often used to detect them. Most gamma rays in the universe are produced by events such as supernovas and black holes.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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