Gravitational Waves | Universe Today

Gravitational Waves

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…

3 weeks 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…

2 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…

3 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…

4 months ago

Hubble Has Looked at the 2017 Kilonova Explosion Almost a Dozen Times, Watching it Slowly Fade Away

In 2017, LIGO (Laser-Interferometer Gravitational Wave Observatory) and Virgo detected gravitational waves coming from the merger of two neutron stars.…

7 months ago

Gravitational Wave Detectors Might be Able to Detect Dark Matter Particles Colliding With Their Mirrors

According to a new study by a team of Japanese researchers, gravitational wave detectors could be used to confirm the…

7 months ago

As Expected, the Newly Upgraded LIGO is Finding a Black Hole Merger Every Week

The LIGO detector is back online after months of upgrades, and has made two new detections already!

11 months ago

Barfing Neutron Stars Reveal Their Inner Guts

We don't really understand neutron stars. Oh, we know that they are - they're the leftover remnants of some of…

11 months ago

LIGO Just Got a Big Upgrade, Will Begin Searching for Gravitational Waves Again on April 1st

After undergoing upgrades, the LIGO observatory will be going back online this April, with "almost daily" detections of gravitational wave…

1 year ago

New Gravitational Waves Detected From Four More Black Hole Mergers. Total Detections up to 11 Now

The LIGO and Virgo collaborations recently announced the detection of four more gravitational wave events, bringing the total to eleven.

1 year ago