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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. 302: Planetary Motion in the Sky

Podcast: Play in new window | Download (0.0KB) Even the ancient astronomers knew there was something different about the planets. Unlike the rest of the stars, the planets move across the sky, backwards and forwards, round and round. It wasn’t until Copernicus that we finally had a modern notion...

Ep. 301: Planetary Migration

Podcast: Play in new window | Download (0.0KB) We’re so familiar with the current configuration of the planets in the Solar System, but did the planets always orbit in this way? Did they form further out and then migrate inward to their current positions? And what about other star systems out...

Ep. 244: Io

Podcast: Play in new window | Download (0.0KB) If you want to see one of the strangest places in the Solar System, look no further than Io, Jupiter’s inner Galilean moon. The immense tidal forces from Jupiter keep the moon hotter than hot, with huge volcanoes blasting lava hundreds of kilometres...

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