单词 | Cygnus X-1 |
释义 | Cygnus X-1 [`sig·nǝs ´eks `wǝn] ASTROPHYSICS A source of x-rays whose intensity varies in an irregular manner, associated with a weak variable radio source and a ninth- magnitude spectroscopic binary star, designated HDE226868, that consists of a blue supergiant and an invisible companion, which may be a black hole. Abbreviated Cyg X-1. |
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