- the Swan, a northern constellation southwest of Draco, containing the bright star Deneb.
Origin of Cygnus
< Latin: swan; see cygnet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for cygni
Stellar parallax was first securely detected in 1838, by Bessel, for 61 Cygni.
The two nearest fixed stars are Alpha Centauri and 61 Cygni.Man's Place in the Universe
Alfred R. Wallace
Latitude by observation a Cygni 14 degrees 51 minutes 37 seconds.Journals of Australian Explorations
A C and F T Gregory
One star, known as 61 Cygni, was then and is now rushing along at the rate of 100 miles every second.
Alpha Centauri, then, is four and one-third light-years distant, and 61 Cygni seven and one-fifth light-years away.Astronomy
- 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
Latin: swan; see cygnet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- 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.