Gravitational Waves

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…

6 days ago

Gravitational-Wave Lensing is Possible, but it’s Going to be Incredibly Difficult to Detect

Because gravitational waves travel at the speed of light, they can be lensed just as light waves are. But observing…

2 months ago

Gravitational waves could show what’s happening inside a star as it’s going supernova

It's kind of hard to see inside a star as it's blowing up, because of the whole "blowing up" part,…

3 months ago

The Moon is an Ideal Spot for a Gravitational Wave Observatory

A prestigious pair of astronomers have published a paper recommending that a gravitational wave observatory be built on the far…

4 months ago

Closest Black Hole Found, Just 1,000 Light-Years From Earth

Scientists with the ESO have detected a triple system with a black hole roughly 1,000 light-years from Earth - making…

7 months ago

Astronomers Detected a Black Hole Merger With Very Different Mass Objects

In another first, the latest gravitational wave event to be detected came from the merger of two black holes of…

7 months ago

Neutron Star Measures Just 22 Kilometers Across

How big is a neutron star? These extreme, ultra-dense collapsed stars are fairly small, as far as stellar objects are…

9 months ago

14% of all the Massive Stars in the Universe are Destined to Collide as Black Holes

Einstein's Theory of General Relativity predicted that black holes would form and eventually collide. It also predicted the creation of…

10 months ago

A Mysterious Burst of Gravitational Waves Came From a Region Near Betelgeuse. But There’s Probably No Connection

Gravitational waves are caused by calamitous events in the Universe. Neutron stars that finally merge after circling each other for…

10 months ago

LIGO Will Squeeze Light To Overcome The Quantum Noise Of Empty Space

LIGO is so sensitive it can hear the quantum fluctuations of a vacuum. But by squeezing light it can make…

12 months ago