Cygnus
the Swan, a northern constellation southwest of Draco, containing the bright star Deneb.
Origin of Cygnus
1Words Nearby Cygnus
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use Cygnus in a sentence
The temperature of Cygnus X-1 from Hawking radiation is roughly a billionth of a degree above absolute zero.
Lower-mass black holes, such as Cygnus X-1, are the remnants of very massive stars; those are a story for another day.
In the year 1670 a new star appeared in the constellation Cygnus, attaining the third magnitude.
Myths and Marvels of Astronomy | Richard A. ProctorI recollect but one philosopher styled Cygnus; and, what is remarkable, he was of Canaan.
A gigantic swan, Cygnus falconeri, is known from the Zebug cavern in Malta.
Considering it an undescribed species, it was named Cygnus anatodoides.
Near Vega is another important constellation, known as the Swan or Cygnus.
The Story of the Heavens | Robert Stawell Ball
British Dictionary definitions for Cygnus
/ (ˈsɪɡnəs) /
a constellation in the N hemisphere lying between Pegasus and Draco in the Milky Way. The constellation contains the Cygnus Loop supernova remnant, the intense radio galaxy Cygnus A, and the intense galactic X-ray source Cygnus X–1, which is probably a black hole
Origin of Cygnus
1Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for Cygnus
[ sĭg′nəs ]
A constellation in the Northern Hemisphere near Cepheus and Lyra. Cygnus (the Swan, or the Northern Cross) contains the bright star Deneb.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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