https://www.youtube.com/watch?v=rQQwagRZoxc

Earlier this month (August 2019) astronomers revised some mass estimates of a black hole at the center of the elliptical galaxy Holmberg 15A, an enormous galaxy 700 million light years away that is home to the second largest black hole we’ve ever seen.

https://www.sciencealert.com/an-absol...

https://arxiv.org/abs/1907.10608

 

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