Fraser Cain
Are All the Stars Really Dead?
Have you ever heard that meme, "When looking at stars, you're actually looking into the past. Many of the stars…
How Do Gravitational Slingshots Work?
Have you ever heard that spacecraft can speed themselves up by performing gravitational slingshot maneuvers? What's involved to get yourself…
What’s Inside Jupiter?
Jupiter is like a jawbreaker. Dig down beneath the swirling clouds and you'll pass through layer after layer of exotic…
How Many Ways Can the Sun Kill You?
The Sun has a Swiss army knife of ways it can do you in, from radiation to solar flares. And…
Why Do People Go Crazy During a Full Moon?
Have you ever heard that people go crazy during a full Moon? What's going on to cause all this lunacy?…
How Can We Move the Earth?
Sooner or later we're going to want to move the Earth further away from the Sun. It turns out, there…
Why is Everything Spherical?
Have you ever noticed that everything in space is a sphere? The Sun, the Earth, the Moon and the other…
Astronomy Cast 350: SpaceShipOne
SpaceShipOne is the spacecraft created by Scaled Composites to win the $10 million Ansari X-Prize in 2003. It was the…
What Does a Supernova Sounds Like?
We've all been ruined by science fiction, with their sound effects in space. But if you could watch a supernova…
How Much of the Universe is Black Holes?
We all fear black holes, but how many of them are there out there, really? Between the stellar mass black…