The first confirmed heartbeat of a supermassive black hole is still going strong more than ten years after first being observed.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/blackholeshe.jpg)
Source:
https://phys.org/news/2020-06-black-hole-heart.html
Only the Autodidact is Free
The first confirmed heartbeat of a supermassive black hole is still going strong more than ten years after first being observed.
Source:
https://phys.org/news/2020-06-black-hole-heart.html