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Cygnus

Cygnus

6 9.7
A group of stars in the northern sky shaped like a swan
  • proper noun
  • /ˈsɪɡnəs/
  • Specialized
: Cygnus
  • In March 2010, a previously unknown bright gamma-ray source appeared in the constellation Cygnus and then faded away about two weeks later.
  • constellation Cygnus
  • Cygnus X-1

Examples

  • And so we'll aim it at the Cygnus constellation where there are thousands, hundreds of thousands of stars and hope to monitor the brightnesses.

  • Look for the constellation Cygnus, shaped like a swan, in the night sky during the summer months.

  • One object, Cygnus X-1, gave strong evidence of being a black hole.

    Academic text (1991)
  • Cygnus A was soon recognized as the brightest discrete radio source in the sky.

    Academic text (1991)
  • While conducting a survey of the broad distribution of galactic radiation, Hey and his co-workers found a region in Cygnus that was extremely bright.

    Academic text (1991)
  • In February 1992, a faint star in the constellation of Cygnus suddenly brightened for a short time before beginning to fade.

    Academic text (1994)
  • There you will find Orion, Cassiopeia, and Cygnus, along with the stars Alphard and Pollux.

    Academic text (2007)
  • One of them was in the constellation Cygnus, called Cygnus X-1, where optical astronomers found a bright blue supergiant star that was whirling around an unseen object every 5.6 days.

    Academic text (1991)
  • Astronomers have identified a black hole within the constellation Cygnus that draws the attention of stargazers.

  • The constellation Cygnus is notable for its bright stars and unique shape, resembling a flying swan.

Compounds

Cygnus cygnus
  • Specialized
1 9.9

A large white swan that makes a loud trumpet call

genus Cygnus
  • Specialized
1 9.1

A group of large water birds that includes all true swans

Cygnus atratus
  • Australian
1 9.9

A large Australian swan with black feathers and a red beak

Cygnus olor
  • Specialized
1 9.9

A large white swan from Europe and Asia often kept in parks and usually quiet

Cygnus buccinator
  • Specialized
1 9.9

A large white wild swan with a loud trumpet call from western North America

Cygnus columbianus
  • Specialized
9.9

A medium-sized white swan that nests on Arctic tundra and flies far south for winter

A small white tundra swan in Europe and Asia with a yellow and black bill

A North American swan that makes a soft whistling call

Surface Forms

Cygnus main

Etymology

Cygnus the constellation takes its name from the Latin word cygnus meaning 'swan' because its stars make a long shape like a swan flying and it is often called the Northern Cross. So the name reminds you that the star pattern looks like a bird in the sky.