An artist's conception shows M33 X-7, a binary system in the galaxy M33 where a black hole is in orbit with a large star.
一副描绘M 33 X - 7的艺术概念图，这是位于M33星系的一个双星系统，黑洞正在一颗巨大恒星的轨道上运行。
Binary star systems are common in the galaxy.
在星系中双星系统是很常见的。
zel's team studied 16 binary systems in our galaxy known to contain a black hole and a stellar partner.
Özel的团队考察了银河系中的十六对双星系统，它们分别由一个黑洞和一颗恒星伴星组成。
zel's team studied 16 binary systems in our galaxy known to contain a black hole and a stellar partner.
Özel的团队考察了银河系中的十六对双星系统，它们分别由一个黑洞和一颗恒星伴星组成。
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