Podcasts
Podcast: The Big Bang and Cosmic Microwave Background
As a tribute to John Mather and George Smoot, the two leaders of the Cosmic Microwave Background Explorer (COBE) satellite…
Podcast: The Search for Dark Matter
Dark matter . . . What is it? Nobody knows for sure, but it's definitely there. Or maybe it's not…
Podcast: Hot Jupiters and Pulsar Planets
You have lived on the Earth all your life, so you'd think you know plenty about planets. As usual though,…
Podcast: In Search of Other Worlds
Look down at your feet. There - you're looking at a planet. Now look into the night sky and you…
Podcast: Pluto’s Planetary Identity Crisis
Pluto. It's a planet, then it's not. This week we review Pluto's history, from discovery to demotion by the International…
Podcast: A Puzzling Difference
Imagine looking at red houses, and sometimes you see a crow fly past. But every time you look at a…
Podcast: Inevitable Supernova
Consider the dramatic binary system of RS Ophiuchi. A tiny white dwarf star, about the size of our Earth, is…
Podcast: See the Universe with Gravity Eyes
Arial photograph of LIGO. Image credit: LIGO. Click to enlarge. In the past, astronomers could only see the sky in…
Podcast: See the Universe with Gravity Eyes
In the past, astronomers could only see the sky in visible light, using their eyes as receptors. New technologies extended…
Podcast: We’re Safe From Gamma Ray Bursts
Artist impression of a gamma ray burst exploding near the Earth. Image credit: NASA. Click to enlarge. We live in…