quasars
Next Generation Telescopes Could Detect the Direct Collapse of Enormous Black Holes Near the Beginning of Time
The first black holes to appear in the universe may have formed from the direct collapse of gas. When they…
This is How a Supermassive Black Hole Feeds
A new simulation has provided new insight into how supermassive black holes grow by feeding off of cosmic gas captured…
You can Tell how big a Black Hole is by how it Eats
Astronomers can determine the size of a black hole by the way it consumes nearby matter.
Astronomers see a Rare “Double Quasar” in a Pair of Merging Galaxies
What's better than a quasar? That's right, two quasars. Astronomers have spotted for the first time two rare double-quasars, and…
A new Technique Could use Quasars to Directly Measure the Expansion Rate of the Universe
The evolution of cosmic expansion could be measured by a new method using intensity correlation speckles.
Almost all High-Energy Neutrinos Come From Quasars
Earth is blasted by high-energy neutrinos from the most powerful objects in the universe.
A New Technique to Find Cold Gas Streams That Might Make up the Missing (Normal) Matter in the Universe
Where is all the missing matter? That question has plagued astronomers for decades, because the Universe looks emptier than it…
Astronomers are Starting to Understand the Quasar Lifecycle
Supermassive black holes have a complicated lifecycle. Sometimes they're "on", blasting out tremendous amounts of energy, and sometimes they're "off',…
Gravitational lenses could be the key to measuring the expansion rate of the Universe
Nailing down cosmic expansion could depend on distant quasars, and the time it takes their light to reach us when…
Quasars can twinkle?
It turns out you can teach an old dog new tricks. With a recent upgrade to a 50-year-old radio telescope,…