quasars
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…
Supermassive Black Holes Shut Down Star Formation During Cosmic Noon
Using data from Webb's NIRSpec instrument, an international team has confirmed that quasars shut down star formation in galaxies billions…
A Huge New Gaia Data Release: More Stars, Gravitational Lenses and Asteroids
The ESA's Gaia mission is releasing a new tranche of astronomical data. The mission has released three regular, massive hauls…
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…
The Early Universe Ran in Slow Motion
One of Einstein's predictions is that we should see time moving at different rates at different ages of the Universe.…
James Webb is a GO for Cycle 2 Observations!
The observation programs for Cycle 2 of the James Webb Space Telescope have just been announced, and they are a…
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…
Black Hole Event Horizons Can Get So Big it'll Boggle Your Imagination
Some black holes are truly monsters, and astronomers are pretty good at determining just how large they are.