Brian Koberlein
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.…
The Early Universe Should Be Awash in Active Galaxies, but JWST Isn't Finding Them
Astronomers have found supermassive black holes in the centers of most galaxies. To get the black holes we see today,…
Pulsars Detected the Background Gravitational Hum of the Universe. Now Can They Detect Single Mergers?
After over a decade of observations of pulsars, astronomers could finally tease out the gravitational wave background of the Universe,…
A Giant Black Hole Destroyed a Star and Threw the Pieces Into Space
A pair of X-ray telescopes have observed the messy aftermath of a star that came too close to a supermassive…
TESS Has Found Thousands of Possible Exoplanets. Which Ones Should JWST Study?
JWST has demonstrated how well it can analyze the atmosphere of exoplanets, revealing carbon dioxide, water vapor, and sulfur compounds.…
The Irony. ClearSpace-1 Couldn't Clean up Space Debris Because its Target Already Got hit by Space Debris, Creating Even More Space Debris.
The European Space Agency's ClearSpace-1 satellite was zeroing in on the spent payload adaptor from a 2013 rocket launch. Its…
When the Sun Dies, it Could Produce a Fantastic Ring in Space, Like This New Image From JWST
We recently got a new image of the famous Ring Nebula from JWST using its NIRCam instrument. This week we…
A New Way to Measure the Expansion Rate of the Universe: Redshift Drift
Almost all the galaxies in the Universe are speeding away from us because of the Big Bang and the acceleration…
A New Simulation Reveals One Entire Stage of a Star's Life
Stars begin as giant clouds of gas and dust that pull together through mutual gravity into a dense protostar. At…
We Might Be Able to Measure Dark Energy Through the Milky Way's Collision With Andromeda
The Milky Way and Andromeda are set to collide in a few billion years but are still over two million…