Astronomers have discovered one type of growing supermassive black hole masquerading as another, thanks to a suite of telescopes including NASA’s Chandra X-ray Observatory. The true identity of these black holes helps solve a long-running mystery in astrophysics.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/casesofblack.jpg)
Source:
https://phys.org/news/2020-07-cases-black-hole-mistaken-identity.html