Northolt Branch Observatories - Hyperluminous quasar TON 618 TON 618 is a very distant and extremely luminous quasar - technically, a hyperluminous, broad-absorption line, radio-loud quasar - located in the constellation Canes
![Can One Measure How Much a Black Hole's Mass Has Increased Over Time? – National Radio Astronomy Observatory Can One Measure How Much a Black Hole's Mass Has Increased Over Time? – National Radio Astronomy Observatory](https://public.nrao.edu/wp-content/uploads/2021/03/M87_EHT.jpg)
Can One Measure How Much a Black Hole's Mass Has Increased Over Time? – National Radio Astronomy Observatory
![Milky Way vs Ton 618 Black Hole Size Comparison | 3d Animation Comparison | Real Scale Comparison - YouTube Milky Way vs Ton 618 Black Hole Size Comparison | 3d Animation Comparison | Real Scale Comparison - YouTube](https://i.ytimg.com/vi/X-a5UqOCXjs/maxresdefault.jpg)