quasar
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…
There’s Another, More Boring Explanation for those Dyson Sphere Candidate Stars
Dyson Spheres have been a tantalising digression in the hunt for alien intelligence. Just recently seven stars have been identified…
What are the Differences Between Quasars and Microquasars?
Quasars are fascinating objects; supermassive black holes that are actively feasting on material from their accretion disks. The result is…
Astronomers are Getting Really Good at Weighing Baby Supermassive Black Holes
In the 1970s, astronomers deduced that the persistent radio source coming from the center of our galaxy was actually a…
Webb Sees Dozens Of Young Quasars in the First Billion Years of the Universe
One of JWST's big tasks is to help astronomers understand how the early Universe came together, with dwarf galaxies merging…
Using Quasars as a New Standard Candle to Define Distance
A new study shows a way to gauge distance in the early Universe.
A Galaxy is Making New Stars Faster Than its Black Hole Can Starve Them for Fuel
A monster lurks at the heart of many galaxies – even our own Milky Way. This monster possesses the mass…
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…
Quasars are the Biggest Particle Accelerators in the Universe
We puny humans think we can accelerate particles? Look how proud we are of the Large Hadron Collider. But any…
For the First Time, Planets Have Been Discovered in ANOTHER Galaxy!
Thanks to a new study performed by a pair of astrophysicists from the University of Oklahoma, the first extra-galactic planets…