The nearest black hole to Earth lies about 24, 000 light-years away. A member of a binary system called V4641 Sagitarii, the black hole is slowly devouring its ordinary stellar companion.
距离地球最近的黑洞位于24000光年外，在名为V4641射手座的双星系统中，它正在缓慢吞噬自己的伴星。
Copper zinc alloy says ordinary binary brass or say simple brass.
铜锌二元合金称普通黄铜或称简单黄铜。
The typical situation involves a loner neutron star that comes a little too close to an ordinary binary pair.
典型的情况是，一对普通的双星旁有一颗有点太靠近的孤立中子星。
应用推荐