Quasars
Sometimes Compact Galaxies Hide Their Black Holes
Quasars, short for quasi-stellar objects, are one of the most powerful and luminous classes of objects in our Universe. A…
Gluttonous Black Holes Eat Faster Than Thought. Does That Explain Quasars?
At the heart of large galaxies like our Milky Way, there resides a supermassive black hole (SMBH.) These behemoths draw…
Quasars Have Always Had Dark Matter Halos
When you look at most galaxies in the Universe, you're looking at the homes of supermassive black holes. It now…
A Black Hole Switched On in the Blink of an Eye
A new study describes how astronomers discovered a supermassive black hole that suddenly "switched on" and became
860 Million-Year-Old Quasar Had Already Amassed 1.4 Billion Times the Mass of the Sun
It wasn't long after the Big Bang that early galaxies began changing the Universe. Less than a billion years later,…
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…
Warm Carbon Increased Suddenly in the Early Universe. Made by the First Stars?
New research shows that carbon was more abundant in the early Universe than previously thought, a find that could have…
The Event Horizon Telescope Gazes into the Heart of a Distant Quasar
Oftentimes in astronomy, it takes a village of telescopes and people to make an amazing find. In the case of…
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.