neutrons

Understanding the Early Universe Depends on Estimating the Lifespan of Neutrons

A study of how neutrons decay could give us a better understanding of the big bang.

3 years ago

Best NASA Images Yet Of Ceres’ Brightest Spot

New images from NASA's Dawn spacecraft reveal spectacular new details in Ceres' intriguing "bright spots".

8 years ago

What is the Higgs Boson?

What is this thing we keep hearing about - the Higgs Boson, and why is it important? (more…)

8 years ago

Astronomy Cast Ep. 395: The Standard Model – Baryons and Beyond

In the last few episodes, we’ve been talking about the standard model of physics, explaining what everything is made up…

8 years ago

Astronomy Cast Ep. 393: The Standard Model – Leptons & Quarks

Physicists are getting a handle on the structure of the Universe, how everything is made of something else. Molecules are…

9 years ago

Astronomy Cast Ep. 392: The Standard Model – Intro

Humans, cars and planets are made of molecules. And molecules are made of atoms. Atoms are made of protons, neutrons…

9 years ago

Astronomy Cast Ep. 378: Rutherford and Atoms

Physicists knew the interior of the atom contained protons, neutrons and electrons, but they didn't understand exactly how they were…

9 years ago

Why Can’t We See the Big Bang?

Since telescopes let us look back in time, shouldn't we be able to see all the way back to the…

10 years ago

Astronomy Cast 323: Isotopes

The number of protons defines an element, but the number of neutrons can vary. We call these different flavors of…

11 years ago