从该星系中心收到的无线电信号证实了黑洞理论。Radio signals received from the galaxy's centre back up the black hole theory.他们发现了以往想象不到的新客体 —— 脉冲星 、 类星体和黑洞.They have discovered now , previou sly unimagined objects - pulsars, quasars, and b...

“黑洞”的拼音为：hēi dòng...

“黑洞”的英语可以翻译为：[天] black hole，collapsar，[电影]The Black Hole...