Quasars

Supermassive Black Holes Formed Directly out of Enormous Streams of Cold gas

New research shows that distant quasars were born in the cold dark of turbulent gas.

1 month ago

Most Black Holes Spin Rapidly. This one… Doesn’t

A Chandra X-ray Observatory view of the supermassive black hole at the heart of quasar H1821+643. Courtesy NASA/CXC/Univ. of Cambridge/J.…

1 month ago

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…

1 year ago

Gaia Finds 12 Examples of Einstein Crosses; Galaxies Being Gravitationally Lensed so we see Them Repeated 4 Times

After examining data from the Gaia Observatory, a team of researchers found 12 more examples of the rare phenomenon known…

1 year ago

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…

2 years ago

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',…

2 years ago

A Galaxy is Making New Stars Faster Than its Black Hole Can Starve Them for Fuel

A monster lurks at the heart of many galaxies – even our own Milky Way. This monster possesses the mass…

2 years ago

New jets seen blasting out of the center of a galaxy

Giant black holes can launch jets that extend for tens of thousand of light-years, blasting clean out of their host…

2 years ago

Some Quasars Actually Contain Two Supermassive Black Holes in the Process of Merging

Astronomers have found a powerful quasar powered by two supermassive black holes.

2 years ago

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,…

2 years ago