supermassive black holes
New Simulation Explains how Supermassive Black Holes Grew so Quickly
One of the main scientific objectives of next-generation observatories (like the James Webb Space Telescope) has been to observe the…
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…
Little Red Dots in Webb Photos Turned Out to Be Quasars
In its first year of operation, the James Webb Space Telescope (JWST) made some profound discoveries. These included providing the…
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…
Astronomers Precisely Measure a Black Hole's Accretion Disk
Actively feeding supermassive black holes are known as quasars, and they can outshine all the stars of their host galaxy.…
Could This Supermassive Black Hole Only Have Formed by Direct Collapse?
One of the outstanding mysteries in astronomy is how supermassive black holes gained so much mass so early in the…
A Massive Galaxy With Almost No Dark Matter
Astronomers have found a massive galaxy that contains little to no Dark Matter, something that doesn't fit with current cosmological…
Early Black Holes Were Bigger Than We Thought
Every large galaxy in the nearby universe contains a supermassive black hole at its core. The mass of those black…
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…