News Astronomy

Active supermassive black holes may be rarer than previously thought

Perhaps our own galaxy’s black hole grew slower than suspected

In this illustration of a supermassive black hole, rays of bright gas escape from the center of a disc-shaped gray cloud.

Some supermassive black holes go through a phase of rapid growth, forming an active galactic nucleus (illustrated) that can glow brighter than the surrounding galaxy.

ESA, NASA and Paolo Padovani/AVO project

By Darren Incorvaia

- More than 2 years ago

Fewer supermassive black holes may undergo growth spurts than astronomers had suspected.