Podcasts

Podcast: Questions Show #4

We know there's matter, and we know there's anti-matter. If there's dark matter, is there an anti-dark matter? How come…

18 years ago

Podcast: Discovering Another Earth

What a week! Astronomers announced the discovery of an Earth-sized planet orbiting the nearby star Gliese 581. We talk about…

18 years ago

Podcast: Choosing and Using a Telescope

Buying your first telescope can be a nerve-wracking experience filled with buyer's remorse. This week we discuss the basics of…

18 years ago

Podcast: The Search for Neutrinos

Trillions of neutrinos are produced in our Sun through its nuclear reactions. These particles stream out at nearly the speed…

18 years ago

Podcast: String Theory, Time Travel, White Holes, Warp Speed, Multiple Dimensions, and Before the Big Bang

We get questions every week about string theory and topics popularized by science fiction. Here's the problem. There's just no…

18 years ago

Podcast: The Sun, Spots and All

It's Spring in the Northern Hemisphere, and that means the Sun is back. But it's more than just a free…

18 years ago

Podcast: Asteroids Make Bad Neighbours

This week we're talking about asteroids. And not just any asteroids, but Near Earth Objects. How do astronomers find these…

18 years ago

Podcast: The Third Question Show

The questions are piling up, so it's time to get through them. We've got a great collection this week. How…

18 years ago

Podcast: The Largest Structures in the Universe

This week we continue the story of galaxy formation, learning how groups of galaxies come together to form the biggest…

18 years ago

Podcast: The Story of Galaxy Evolution

Our Milky Way is a complex and majestic barred spiral galaxy. But 13.7 billion years ago it began, like all…

18 years ago