How do we determine the size of a quasar billions of light years away? We observe the rate at which they vary in brightness.
Young and Brilliant
The most luminous galaxy ever discovered shines brilliantly in infrared. This is likely due to a quickly forming supermassive black hole in its center.
Four in a Row
A cluster of four quasars with a million light years of each other has been found, and we aren’t quite sure how such a cluster could have formed.
It’s Just That Simple
The no hair theorem for black holes is found to apply even when they are surrounded by matter.
The Chicken or the Egg
Did early galaxies form around black holes, or did black holes form within young galaxies?
Spin Flip
As two black holes are close to merging, their spins do a gravitational dance that cause them to change direction.
Peribothron
A young star known as G2 has made its closest approach to the supermassive black hole in our galaxy. This has given rise to a term known as peribothron.
You’ve Doomed Us All!
As the LHC begins running at its highest energy yet, do we need to worry that it will unleash something dangerous like black holes? Not in the slightest.
That’s a Big Twinkie
We’ve discovered a 12 billion solar mass black hole that formed when the universe was only 900 million years old. We’re not entirely sure how it formed.