美国宇航局监测来自恒星质量黑洞的罕见X射线爆发

世界各地的天文学家正在观察二元系统V404Cygni中恒星质量黑洞罕见的X射线爆发的开始6月15日....

作者:松极

写于:2017-10-13 04:09:09

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