black hole mergers

Black Holes Need Refreshing Cold Gas to Keep Growing

How were supermassive black holes able to grow so rapidly in the early Universe? Galactic mergers were believed to be…

1 month ago

Next Generation Gravitational Wave Observatories Could Detect 100-600 Solar Mass Black Hole Mergers

Humans are born wonderers. We're always wondering about the next valley over, the next horizon, what we'll understand next about…

6 months ago

Ultra-Massive Black Holes: How Does the Universe Produce Objects So Massive?

Black holes are the most massive objects that we know of in the Universe. Not stellar mass black holes, not…

1 year ago

When Black Holes Collide They Also Produce Neutrinos

Ever since astronomers first detected ultra high energy neutrinos coming from random directions in space, they have not been able…

1 year ago

Shortly Before They Collided, two Black Holes Tangled Spacetime up Into Knots

An international team led from Cardiff University has confirmed that black hole binaries experience precession.

2 years ago

Astronomers Discover two Supermassive Black Holes Orbiting Each Other, Doomed to Collide in the Future.

Until recently, one of the closest orbiting each other pairs of supermassive blackholes was found in NGC 7727. That pair…

2 years ago

In Addition to Gravitational Waves, is There any way to Detect Merging Black Holes

If two black holes merge in the middle of space, and nobody's around to see it, does it really happen?…

3 years ago

Merging Black Holes and Neutron Stars. All the Gravitational Wave Events Seen So Far in One Picture

The Theory of Relativity predicted the existence of black holes and neutron stars. Einstein gets the credit for the theory…

3 years ago

Behold! The Black Hole Collision Calculator!

A new tool called the Black Hole Collision Calculator let's users see just how powerful a collision between a black…

4 years ago

Why Can Black Hole Binaries Have Dramatically Different Masses? Multiple Generations of Mergers

Black hole mergers with very different masses tell us how small mergers can give rise to even larger ones.

4 years ago