Astronomy Cast
Astronomy Cast Ep. 214: Space Tourism
Have you ever wanted to go to space, but lacked the… everything… to be an astronaut? A whole new industry…
Astronomy Cast Ep. 213: Supermassive Black Holes
It’s now believed that there’s a supermassive black hole lurking at the heart of every galaxy in the Universe. These…
Astronomy Cast Ep. 212: GPS Navigation
The in previous podcast, we talked about the old way navigators used to find their way around the planet; by…
Astronomy Cast Ep. 211: Celestial Navigation
Before there was GPS, navigators had to rely on the Sun and the stars to find their way around the…
Astronomy Cast Ep. 209: Exotic Life
We don’t like to cover news on Astronomy Cast, but sometimes there’s a news story that’s interesting, complicated, and rapidly…
Astronomy Cast Ep. 208: The Spitzer Space Telescope
Last week we talked about Lyman Spitzer, and this week we’ll take a look at the orbiting observatory that bears…
Astronomy Cast Ep. 207: Lyman Spitzer
Time for another action-packed double episode of Astronomy Cast. This week we focus on the Lyman Spitzer, a theoretical physicist…
Astronomy Cast Ep. 206: Fission
Last week we talked about fusion, where atoms come together to form heavier elements. This week, everything comes apart as…
Astronomy Cast Ep. 205: Fusion
When the Universe formed after the Big Bang, all we had was hydrogen. But through the process of fusion, these…
Astronomy Cast Ep. 204: Temperature
Now we’re going to answer a question that a 4-year old might ask – what is temperature? Why are things…