gamma-ray astronomy(redirected from Gamma ray astronomy)
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The branch of astronomy that uses observations of emissions in the gamma-ray part of electromagnetic spectrum to study extraterrestrial sources such as stars and galaxies.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Astronomy) the investigation of cosmic gamma rays, such as those from quasars
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