Einstein

Gravitational Astronomy? How Detecting Gravitational Waves Changes Everything

We’ve now had multiple detections of gravitational waves, opening up a whole new field: gravitational astronomy. We talk about the…

5 years ago

What Happens When Black Holes Collide?

Black holes are the most impressive objects in the Universe, but when happens when they crash into each other is…

5 years ago

The 2016 Nobel Prize In Physics: It’s Complicated

This year's Nobel Prize in physics is expected to be be conferred on the three scientists who invented the process…

5 years ago

Second Gravitational Wave Source Found By LIGO

With the announcement of the second detection of elusive gravitational waves, scientists hope this is just the beginning of a…

6 years ago

New ‘Einstein Ring’ Discovered By Dark Energy Camera

A rare object called an Einstein Ring has been discovered by a team in the Stellar Populations group at the…

6 years ago

What if a Black Hole Met an Antimatter Black Hole?

Would shooting a black hole into an antimatter black hole destroy them both? (more…)

7 years ago

What Shape is the Universe?

It's a reasonable question to wonder what the shape of the Universe is. Is it a sphere? A torus? Is…

7 years ago

Astronomy Cast Ep. 371: The Eddington Eclipse Experiment

At the turn of the 20th Century, Einstein's theory of relativity stunned the physics world, but the experimental evidence needed…

7 years ago

Astronomy Cast Ep. 370: The Kaufmann–Bucherer–Neumann Experiments

One of the most amazing implications of Einstein's relativity is the fact that the inertial mass of an object depends…

7 years ago

How Do We Know Dark Energy Exists?

We have no idea what it dark energy is, so how are we pretty sure it exists? I've talked about…

7 years ago