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Ep. 344: The Rings of Saturn

Podcast: Play in new window | Download (25.7MB) There’s so much we know about Saturn’s beautiful rings, and yet, there’s so much we don’t know. Morgan Rehnberg, a PhD student at the University of Colorado, Boulder and works with the Cassini mission. Morgan joins Fraser to talk...

Ep. 326: Atmospheric Dust

Podcast: Play in new window | Download (0.0KB) When you consider the hazards of spaceflight, it’s hard to get worked up about dust bunnies. And yet, atmospheric dust is going to be one of the biggest problems astronauts will face when they reach the surface of other worlds. Where does this dust come...

Ep. 324: Sun Grazers

Podcast: Play in new window | Download (0.0KB) Comets can spend billions of years out in the Oort Cloud, and then a few brief moments of terror orbiting the Sun. These are the sun grazers. Some survive their journey, and flare up to become the brightest comets in history. Others won’t survive...

Ep. 320: Layers of the Sun

Podcast: Play in new window | Download (0.0KB) Our Sun isn’t just a terrifying ball of white hot plasma, it’s actually a lot more complex. It’s got layers. And today, we’re going to peel back those layers and learn about the Sun – from the inside out. Ep. 320:...

Ep. 311: Sound

Podcast: Play in new window | Download (0.0KB) Shhhh, shhh. You can stop screaming. That’s because nobody can hear you … in space. But why not? How does sound work here on Earth, and what would it sound like on other planets? Ep. 311: Sound Jump to Shownotes Jump to...

Ep. 308: Climate Change

Podcast: Play in new window | Download (0.0KB) When it comes to carbon dioxide, just a little goes a long way to warming the planet. Unfortunately, we’ve been dumping vast amounts into the atmosphere, recently passing 400 parts per million. Let’s look at the science of the greenhouse effect,...

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