fusion

If dark matter is a particle, it should get inside red giant stars and change the way they behave

Dark matter makes up the vast majority of matter in the universe, but we can't see it. At least, not…

2 months ago

Colliding Neutron Stars Don’t Make Enough Gold to Explain What We See in the Universe

Much of the gold we find on Earth was created by colliding neutron stars, but astronomers now know gold must…

2 months ago

Astronomy Cast Ep. 513: Stellar Fusion

The Sun. It's a big ball of fire, right? Apparently not. In fact, what's going on inside of the Sun…

2 years ago

Construction Tips from a Type 2 Engineer: Collaboration with Isaac Arthur

Fraser Cain and Isaac Arthur team up again to bring you another epic collaboration. This time, it’s construction tips from…

3 years ago

Colonizing the Outer Solar System

This episode continues our team up with Fraser Cain to look at Colonizing the Solar System, we move from the…

4 years ago

What is a Nova?

We’ve talked about supernovae plenty of times, but what about just regular, plain old novae? What are they, and how…

4 years ago

How Can We Save The Sun?

Bad news, our Sun is living on borrowed time. It’s only got a few billion years left. But there might…

4 years ago

Why Do Red Dwarfs Live So Long?

While our Sun will only survive for about 5 billion more years, smaller, cooler red dwarfs can last for trillions…

5 years ago

Why Do Red Giants Expand?

We know that the Sun will last another 5 billion years and then expand us a red giant. What will…

5 years ago

Can You Kill a Star With Iron?

Since the energy required to fuse iron is more than the energy that you get from doing it, could you…

5 years ago