supermassive black holes
In Theory, Supermassive Black Holes Could get Even More Supermassive
A new study proposes that the upper mass limit for black holes could be a million times larger than we…
Missing: Supermassive Black Hole With up to 100 BILLION Times the Mass of the Sun
The massive galaxy cluster Abell 2261 should have a supermassive black hole in its center. But it doesn't. Astronomers have…
Some Quasars Actually Contain Two Supermassive Black Holes in the Process of Merging
Astronomers have found a powerful quasar powered by two supermassive black holes.
Supermassive black holes can cloak themselves in a cocoon of dust, making them invisible even when they should be bright quasars
Quasars are the most powerful sources of light in the universe, but sometimes they're hard to find. A team of…
There’s a Black Hole With 34 Billion Times the Mass of the Sun, Eating Roughly a Star Every Day
In the 1960s, astronomers began theorizing that there might be black holes in the Universe that are so massive -…
It might just be possible to see a light flash too when black holes merge
Black hole merger events are some of the most energetic, fearsomely energetic events in all the cosmos. When black holes…
New Simulations Show How Black Holes Grow, Through Mergers and Accretion
One of the most pressing questions in astronomy concerns black holes. We know that massive stars that explode as supernovae…
This Galaxy is the Very Definition of “Flocculent”
I know you're Googling "flocculent" right now, unless you happen to be a chemist, or maybe a home brewer. You…
Blazar Found Blazing When the Universe was Only a Billion Years Old
A team of European scientists have observed the most distant "blazar" to date, an active galaxy that was around when…
Black Holes Were Already Feasting Just 1.5 Billion Years After the Big Bang
Using the ESO's Very Large Telescope (VLT), an international team of astronomers observed gas clouds that in the early Universe…