Cygnus X-1
английский
Значение Cygnus X-1 значение
Что в английском языке означает Cygnus X-1?
Cygnus X-1
properNoun
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A placename.
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(astronomy, physics, star) The first generally accepted and confirmed black hole. A black hole in a high-mass X-ray binary (HMXB) with a blue supergiant companion (HD 226868), located in the constellation Cygnus.
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(astronomy, physics, star) The high-mass X-ray binary star system containing this black hole and blue supergiant star.
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