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Cygnus A

American  

noun

Astronomy.

  1. a strong radio source in the constellation Cygnus associated with a distant peculiar galaxy.

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Look back at Figure 6.18 of Cygnus A and read its caption again.

From Textbooks ● Oct. 13, 2016

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.

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