Markarian 231 _verified_

The galaxy itself was a marvel of celestial wonder. It was a type of galaxy known as a quasar, which is an incredibly luminous object that is thought to be powered by the accretion of material onto a supermassive black hole. Markarian 231 was one of the brightest quasars in the universe, emitting an enormous amount of energy across the entire electromagnetic spectrum, from radio waves to gamma rays.

A massive central black hole estimated at 150 million times the mass of our Sun. markarian 231