a galaxy emitting stronger radio waves than a normal galaxy
radio galaxy
radio galaxyWebster's New World College Dictionary, Fifth Edition Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"radio galaxy." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/radio-galaxy>.
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radio galaxy. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/radio-galaxy
radio galaxy
noun
A galaxy emitting large amounts of radio energy.
THE AMERICAN HERITAGE® DICTIONARY OF THE ENGLISH LANGUAGE, FIFTH EDITION by the Editors of the American Heritage Dictionaries. Copyright © 2016, 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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"radio galaxy." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/radio-galaxy>.
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radio galaxy. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/radio-galaxy
A galaxy that emits large amounts of radio energy. Radio galaxies are typically elliptical galaxies with large symmetrical lobes. The centers of radio galaxies are active galactic nuclei, and many expel one or more jets of matter directly from the nucleus that can be observed in the visible spectrum and extend for millions of light-years.
See also Seyfert galaxy
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"radio galaxy." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/radio-galaxy>.
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radio galaxy. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/radio-galaxy
English Wiktionary. Available under CC-BY-SA license.
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"radio galaxy." YourDictionary, n.d. Web. 16 January 2019. <https://www.yourdictionary.com/radio-galaxy>.
APA Style
radio galaxy. (n.d.). Retrieved January 16th, 2019, from https://www.yourdictionary.com/radio-galaxy
