gamma-ray astronomy

[gam-uh-rey]

gamma-ray astronomy

[gam-uh-rey]
noun
the branch of astronomy that deals with the study of celestial objects by means of the gamma rays that come from them.

Origin:
1960–1965
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Gamma-ray astronomy is always a great word to know.
So is flibbertigibbet. Does it mean:
a scrap or morsel of food left at a meal.
a chattering or flighty, light-headed person.
Collins
World English Dictionary
gamma-ray astronomy
 
n
the investigation of cosmic gamma rays, such as those from quasars

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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