Cygnus X-1
(astronomy, physics) 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.
Any fish of the family Lepidogalaxiidae from Australia
A series of wars (1803-1815) between France (ruled by Napoleon) and other European countries.
Meat that has been dried and cured with salt for preservation.
はくちょう座X-1は、最初に広く受け入れられた確認済みのブラックホールで、青色超巨星の伴星（HD 226868）を持つ高質量X線連星に属しています。
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