AGN
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…
Astronomers Think They’ve Found Examples of the First Stars in the Universe
When the first stars in the Universe formed, the only material available was primordial hydrogen and helium from the Big…
eROSITA Sees Changes in the Most Powerful Quasar
An international team of astronomers observed the quasar J1114 in the X-ray band for the first time, revealing things about…
Galactic Black Hole Winds Blow Up to a Third the Speed of Light. The Impact on Their Galaxies is Impressive.
A new study by the SUper massive Black hole Winds in the x-rAYS (SUBWAYS) project explores the role of "space…
Dust is Hiding how Powerful Quasars Really are
A new study has found that Active Galactic Nuclei are much brighter and similar to one another than previously thought.
This is How a Supermassive Black Hole Feeds
A new simulation has provided new insight into how supermassive black holes grow by feeding off of cosmic gas captured…
You can Tell how big a Black Hole is by how it Eats
Astronomers can determine the size of a black hole by the way it consumes nearby matter.
The Event Horizon Telescope Zooms in on Another Supermassive Black Hole
The Event Horizon Telescope (EHT) just captured another amazing image, this time of the relativistic jet coming from the center…
Supermassive Black Hole Orbits an Even More Massive Black Hole, Crashing Through its Accretion Disk Every 12 Years
Recent observations by the now-retired Spitzer mission have led to accurate predictions OJ 287, a blazar that contains a supermassive…
New Technique for Estimating the Mass of a Black Hole
A Russian-led team of astronomers has developed a method for estimating the mass of a supermassive black hole by looking…