Supermassive

The supermassive black hole at the centre of the galaxy remained a mystery for thousands of years...

There's a supermassive black hole at the center of our galaxy.

Most large galaxies have a central supermassive black hole.

Much as a large animal like a lion produces a deeper roar than a tiny mouse's squeak, merging supermassive black holes create lower-frequency gravitational waves than the relatively small black holes LIGO and similar ground-based experiments can detect.

There's a supermassive black hole at the centre of our galaxy.

A consortium of astronomers said Thursday they had for the first time confirmed a prediction of Albert Einstein's theory of general relativity by observing the gravitational effects of a supermassive black hole on a star zipping by it.

The supermassive black hole Sagittarius A* has mass four million times that of our sun, making it the biggest in our galaxy.

In the center of our galaxy is the closest supermassive black hole known to us.

A powerful radio source named Sagittarius A* has been discovered at the centre of the Galaxy. According to current research, it is a supermassive black hole with a solar mass of about four million.

Two black holes collided while orbiting a supermassive black hole.