Supermassive Black Hoels
Why are Some Quasars So Lonely?
At the centre of most galaxies are supermassive black holes. When they are ‘feeding’ they blast out jets of material…
5 hours ago
Early Black Holes Fed 40x Faster than Should Be Possible
The theory goes that black holes accrete material, often from nearby stars. However the theory also suggests there is a…
2 days ago
The Early Universe Had a Lot of Black Holes
The Hubble Deep Field and its successor, the Hubble Ultra-Deep Field, showed us how vast our Universe is and how it teems with galaxies…
2 months ago
Galaxies Regulate their Own Growth so they Don’t Run Out of Star Forming Gas
Look at most spiral or barred spiral galaxies and you will see multiple regions where stars are forming. These star…
4 months ago
Supermassive Black Holes Got Started From Massive Cosmic Seeds
One longstanding mystery in astronomy is how supermassive black holes got so heavy so early. JWST has shown evidence that…
6 months ago
Black Holes are Tearing Stars Apart All Around Us
Galaxy NGC3799 lies around 16 million light years from Earth. Any event observed today within that galaxy took place 16…
8 months ago