Quasars
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…
This Ancient Galaxy Merger Will Produce a very Luminous Quasar
In the contemporary Universe, massive galaxies are plentiful. But the Universe wasn't always like this. Astronomers think that galaxies grew…
Webb Looks at One of the Best Gravitationally Lensed Quasars Ever Discovered
It looks like a distant ring with three sparkly jewels, but the Webb telescope's (JWST) most recent image is really…
The Earliest Merging Quasars Ever Seen
Studying the history of science shows how often serendipity plays a role in some of the most important discoveries. Sometimes,…
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…
This New Map of 1.3 Million Quasars Is A Powerful Tool
Quasars are the brightest objects in the Universe. The most powerful ones are thousands of times more luminous than entire…
The Brightest Object Ever Seen in the Universe
It's an exciting time in astronomy today, where records are being broken and reset regularly. We are barely two months…
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…
Vera Rubin Will Find Binary Supermassive Black Holes. Here’s How.
When galaxies merge, we expect them to produce binary black holes (BBHs.) BBHs orbit one another closely, and when they…