Cygnus X-1 (abbreviated Cyg X-1) is a galactic X-ray source in the constellation Cygnus and was the first such source widely accepted to be a black hole...

"Cygnus X-1" is a two-part song series by Canadian progressive rock band Rush. The first part, "Book I: The Voyage", is the last song on the 1977 album...

largest stars currently known. The constellation is also home to Cygnus X-1, a distant X-ray binary containing a supergiant and unseen massive companion...

Cygnus X-3 is a high-mass X-ray binary (HMXB), one of the stronger binary X-ray sources in the sky. It is often considered to be a microquasar, and it...

Cygnus X-1 is an X-ray source in the constellation Cygnus. Cygnus X-1 may also refer to: "Cygnus X-1" (song series), a two-part song by the band Rush "Cygnus...

electromagnetic range. Radio, infrared, and X-ray images reveal the complete loop. The visual portion of the Cygnus Loop is known as the Veil Nebula, also...

Cygnus X may refer to: Cygnus-X (star complex), a giant star formation region Cygnus X (music group) Cygnus X-1 (disambiguation) Cygnus X-3 This disambiguation...

Cygnus A (3C 405) is a radio galaxy, one of the strongest radio sources in the sky. A concentrated radio source in Cygnus was discovered by Grote Reber...

objects as a possible astrophysical reality. The first black hole known was Cygnus X-1, identified by several researchers independently in 1971. Black holes...

Cygnus-X is a massive star formation region located in the constellation of Cygnus at a distance from the Sun of 1.4 kiloparsecs (4,600 light years). As...