Ep. 447: Animals in Space Pt. 3: Dogs, Monkeys and More

For the final episode in our 3-part episode about animals in space, we look at the largest animals to go to orbit. And I’ll just warn you now, this is going to be a really sad episode. We usually record Astronomy Cast every Friday at 1:30 pm PDT / 4:30 pm EDT/ 20:30 PM UTC […]

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Ep. 446: Animals in Space Pt. 2: Mice and Other Small Animals

Last week we talked about how the smallest creatures behave in space, but now we move up in size a little to small animals, like mice. What missions have they flown on, and how does microgravity affect their biology? We usually record Astronomy Cast every Friday at 1:30 pm PDT / 4:30 pm EDT/ 20:30 […]

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Ep. 445: Animals in Space Pt. 1: Insects and Arachnids

We’ve talked about animals traveling to space in the past, but it’s time to take another look, with many other creatures making the trip to the void. Today we’re going to talk about the spineless insects and arthropods, and those tough-as-nails waterbears – tardigrades. We usually record Astronomy Cast every Friday at 1:30 pm PDT […]

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Ep. 444: Fractals

For this historic 444th episode of Astronomy Cast, we talk about fractals. Those amazing mathematical visualizations of recursive algorithms. What are they, how do you get them? Why are they important? We usually record Astronomy Cast every Friday at 1:30 pm PDT / 4:30 pm EDT/ 20:30 PM UTC (8:30 GMT). You can watch us […]

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Ep. 443: Destroy and Rebuild Pt. 7: Tsunamis

Surf’s up! Today we’re going to be talking about one of the most devastating natural disasters out there: tsunamis. We’re talking huge waves that wreck the seashore. But it turns out, there many ways you can get a tsunami, and one of those has to do with space. We usually record Astronomy Cast every Friday […]

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Ep. 442: Destroy and Rebuild Pt. 6: Magnetic Pole Reversal

If we look back into the geologic record of the Earth, it appears that our planet’s magnetic field flips polarity every few hundred thousand years or so. Why does this happen? When’s it supposed to happen next? Is it dangerous? We usually record Astronomy Cast every Friday at 1:30 pm Pacific / 4:30 pm Eastern […]

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Ep. 441: Destroy and Rebuild, Pt. 5: Continental Drift

Want to travel the world but you don’t have a lot of money? No problem, your continent is drifting across the surface of the Earth right now. In a few million years, you’ll reach your destination. We usually record Astronomy Cast every Friday at 1:30 pm Pacific / 4:30 pm Eastern / 21:30 PM UTC […]

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Ep. 440: Destroy and Rebuild, Pt. 4: Supervolcanoes!

There are regular volcanoes, and then there are the supervolcanoes. Massive calderas of hot magma of incomprehensible size. Bad news, these things explode randomly and catastrophically. Worse news, there are a bunch around the Earth. We usually record Astronomy Cast every Friday at 1:30 pm Pacific / 4:30 pm Eastern / 21:30 PM UTC (9:30 […]

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Ep. 439: Destroy and Rebuild, Pt. 3: How Do We Terraform Earth?

We always want to talk about how we can make Mars more Earth like, but the reality is that we’re making Earth more Venus-Like. We’re Venusforming Earth. What are the various factors we’re impacting on a global scale, and how can we fix them? We usually record Astronomy Cast every Friday at 1:30 pm Pacific […]

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