首次发现！在同一个星系中发现 3 个超大质量黑洞

天文学家首次在早期宇宙的同一个星系中发现了 3 个超大质量黑洞。其中两个黑洞正在发生合并。

For the first time, astronomers have discovered 3 supermassive black holes in a single galaxy in the early universe. Two of them are merging! The post A first! 3 supermassive black holes discovered in 1 galaxy first appeared on EarthSky .