Astronomy Cast 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? Visit the Astronomy Cast Page to subscribe to the audio podcast! We usually record Astronomy Cast […]

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Astronomy Cast 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? Visit the Astronomy Cast Page to subscribe to the audio podcast! We usually record Astronomy Cast as a live Google+ Hangout on Air every […]

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Astronomy Cast 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. Visit the Astronomy Cast Page to subscribe […]

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Astronomy Cast 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? Visit the Astronomy Cast Page to subscribe to the audio podcast! We usually record Astronomy […]

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Astronomy Cast Ep. 417: Error 417: Expectation Failed

In all fields of science, sometimes more is learned when you fail at what you’re trying to do than when you succeed. So what new science discoveries have failed expectations given us in astronomy? Visit the Astronomy Cast Page to subscribe to the audio podcast! We record Astronomy Cast as a live Google+ Hangout on […]

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Astronomy Cast Ep. 416: Fireballs from Space!

Every now and then we look up and see bright fiery balls falling from the sky. Don’t panic, these are just bolides. Sometimes they leave trails, sometimes they explode, and sometimes they survive all the way to the ground. Visit the Astronomy Cast Page to subscribe to the audio podcast! We record Astronomy Cast as […]

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Astronomy Cast Ep. 415: Temperature of the Universe

The temperature of the Universe can vary a dramatic amount from the hot cores of stars to the vast cold emptiness of deep space. What’s the temperature of the Universe now, and what will it be in the future? Visit the Astronomy Cast Page to subscribe to the audio podcast! We record Astronomy Cast as […]

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Astronomy Cast Ep. 414: Navigating Far

In our last episode, we talked about what it’ll take to navigate across the Solar System. In this episode we scale things up and speculate how future civilizations will navigate to other stars and even other galaxies. Visit the Astronomy Cast Page to subscribe to the audio podcast! We record Astronomy Cast as a live […]

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