Black Holes | Universe Today

Black Holes

It might just be possible to see a light flash too when black holes merge

Black hole merger events are some of the most energetic, fearsomely energetic events in all the cosmos. When black holes…

5 days ago

How an Advanced Civilization Could Exploit a Black Hole for Nearly Limitless Energy

A black hole as a source of energy? We know black holes as powerful singularities, regions in space time where…

2 weeks ago

Astronomers Just Detected Either the Least Massive Black Hole, or a Strange and Massive Neutron Star

Somewhere around 2.5 solar masses is the line between black holes and neutron stars. Now we've found an object right…

2 weeks ago

Supermassive Black Holes Grew by Consuming Gas and Entire Stars

Where do they come from, those beguiling singularities that flummox astrophysicists—and the rest of us. Sure, we understand the processes…

1 month ago

About 3.5 Million Years Ago, a Stream of Gas Outside the Milky Way Would Have Lit Up the Night Sky

It's a truism to point out that modern humans have only been around for the blink of an eye, relative…

1 month ago

New Simulations Show How Black Holes Grow, Through Mergers and Accretion

One of the most pressing questions in astronomy concerns black holes. We know that massive stars that explode as supernovae…

1 month ago

Black Hole Seen Blasting Out Jets at Close to the Speed of Light

The Chandra X-Ray Observatory has spotted a distant black hole shooting out jets of material, at close to the speed…

1 month ago

Supermassive Black Hole Orbits an Even More Massive Black Hole, Crashing Through its Accretion Disk Every 12 Years

Recent observations by the now-retired Spitzer mission have led to accurate predictions OJ 287, a blazar that contains a supermassive…

2 months ago

A Star is Orbiting the Milky Way’s Black Hole and Moving Exactly How Einstein Predicted it Should

After almost 30 years of observing a star that orbits the supermassive black hole at the centre of our galaxy,…

2 months ago

Light Behaves Really Strangely Around a Black Hole

A new study led by Caltech researchers show that light can be reflected off of a black hole's disk by…

3 months ago