Gravitational Lensing

A new way to map out dark matter is 10 times more precise than the previous-best method

Astronomers have to be extra clever to map out the invisible dark matter in the universe. Recently, a team of…

5 days ago

Something other than just gravity is contributing to the shape of dark matter halos

Galactic dark matter is in a state of maximum entropy, which means it must interact with itself.

1 month 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

Small Amounts of Dark Matter are Creating Much Stronger Gravitational Distortions than Anyone Expected to See

Dark matter is much more clumpy than we thought, which means some dark matter might be very cold.

3 months ago

This Distorted Circle is Actually a Galaxy That Looked Very Similar to the Milky Way, Shortly After the Big Bang

Using ALMA, a European team of astronomers was able to observe a galaxy as it looked 12 billion years ago…

4 months ago

Art Installation that Demonstrates How Dark Matter Bends Light with Gravity

A new art installation at the Science Gallery Dublin, called "Dark Distortions," helps viewers to see the influence dark matter…

4 months ago

Hundreds of New Gravitational Lenses Discovered to Help Study the Distant Universe

General relativity tells us that everything, even light, is affected by the mass of an object. When a beam of…

7 months ago

How Do You Weigh The Universe?

If we can find the weight of everything in the universe, we can better understand how the universe came to…

7 months ago

WFIRST Will Use Relativity to Find More Exoplanets!

When it deploys in 2025, NASA's WFIRST mission will rely on the gravitational microlensing technique to locate exoplanets near the…

8 months ago

Hubble Finds Teeny Tiny Clumps of Dark Matter

Using data from Hubble and the gravitational lensing technique, a team of astronomers have found definitive evidence that Dark Matter…

11 months ago