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Cygnus X-1 (abbreviated Cyg X-1) [11] is a galactic X-ray source in the constellation Cygnus and was the first such source widely accepted to be a black hole. [12] [13] It was discovered in 1964 during a rocket flight and is one of the strongest X-ray sources detectable from Earth, producing a peak X-ray flux density of 2.3 × 10 −23 W/(m 2 ⋅Hz) (2.3 × 10 3 jansky).
"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 A Farewell to Kings, and the second part, "Book II: Hemispheres", is the first song on the following album, 1978's Hemispheres. Book I is ten minutes and twenty-five seconds long (10:25), and ...
Sh 2-101, at least in the field seen from Earth, is in close proximity to microquasar Cygnus X-1, site of one of the first suspected black holes. Cygnus X-1 is located about 15 ′ west of Sh 2-101. The companion star of Cygnus X-1 is a spectral class O9.7 Iab supergiant with a mass of 21 solar masses and 20 times the radius of the Sun.
He identified the first clear candidate for a black hole, Cygnus X-1, with his colleague Louise Webster. He studied Mathematics and Physics at the universities of Oxford and Rochester . In 1962, he took an eight-week summer residential course supporting researchers at the Royal Greenwich Observatory in Herstmonceux and at the end was offered a ...
Betty Louise Turtle (née Webster [also Webster in published works]) (20 May 1941 - 29 September 1990) was an Australian astronomer and physicist.In 1971, with her colleague Paul Murdin, she identified the powerful X-ray source Cygnus X-1 as the first clear candidate for a black hole.
"A Passage to Bangkok"; V. "Cygnus X-1"; VI. "Hemispheres: Prelude" "Der Trommler" R30: 30th Anniversary World Tour 2005 Drum solo; Translates as "The Drummer" in German. [128] "Far Cry" Snakes & Arrows: 2007 "It was almost like we already knew the song when we wrote it. We just played it. And that was really cool. That doesn't happen very often.
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
Side one is occupied by "Cygnus X-1 Book II: Hemispheres", an 18-minute sequel to "Cygnus X-1 Book I: The Voyage" on A Farewell to Kings which had ended on a cliffhanger.[14] [11] Book I concerns an unnamed space explorer who travels to Cygnus X-1, a black hole, in its space ship and is pulled into it.