supermassive

But others, such as the Milky Way, would still have formed a 'supermassive' black hole despite never being a quasar.

This discovery suggests that surveys of powerful 'supermassive' black holes have so far underestimated their numbers by at least a factor of two, and possibly by up to a factor of five.

An international team of astronomers have provided compelling evidence that we have a 'supermassive' black hole at the centre of our galaxy.

Two types of black holes are found in the universe: stellar-mass black holes and 'supermassive' black holes.

Although astronomers are surprised to find a blue disk of stars swirling around a 'supermassive' black hole, they also say the puzzling architecture may not be that unusual.