Quasars
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…
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,…