Archive | Planetary Science

Ep. 461: Measuring the Weather with Satellites

What’s the weather doing? Is it going to rain today? How much? What about temperatures? We depend on modern weather forecasting, thanks, in part to the vast network of weather satellites. What instruments do they have, what orbits do they use. We usually record Astronomy Cast every Friday at 12:00 pm PDT / 3:00 pm […]

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Ep. 460: Earth from Afar: Remote Sensing

The space age has given us the ability to look at every corner of the globe in every wavelength. It’s revolutionized our ability to predict the weather, keep track of environmental damage, and watch the world change. Today we look at what missions and technologies give us the ability to watch our world from afar. […]

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Ep. 457: Why Did Cassini Have To Die? In Memoriam

It’s time to say goodbye to an old friend, NASA’s Cassini spacecraft, which has been orbiting within the Saturnian system since 2004. But why does a seemingly healthy spacecraft and mission need to come to an end? Today we look back at the mission, some of the amazing discoveries, and why its finale was necessary. […]

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Ep. 456: Pluto Revisited

This week, we return to our starting point, where Astronomy Cast began: Pluto. 11 years on, we have a whole new appreciate for the dwarf planet Pluto. We’ve visited it, probed it and taken pictures. It’s time for an update. We usually record Astronomy Cast every Friday at 1:00 pm PDT / 4:00 pm EDT/ […]

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Ep. 455: Your Practical Guide to Colonizing the Milky Way!

This episode was recorded live in St. Louis, MO at the Astronomy Cast Solar Eclipse Escape 2017. Listen as we discuss how humans might be able to colonize the Milky Way! 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. 454: Things We’re Looking Forward To

As we wrap up season 10 of Astronomy Cast, we look forward to all the instruments, missions and science results on the distant horizon. Think astronomy is exciting already? Just you wait. 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 […]

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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. 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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Ep. 438: Destroy and Rebuild, Pt. 2: Geoengineering

We know humans are having an impact on planet Earth, but what if we really put our backs into it, and intentionally tried to change the entire planet? Either to make it better, or to fix some terrible mistake we’ve made. The technique is called geoengineering. Could it work? We usually record Astronomy Cast every […]

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Ep. 437: Destroy and Rebuild, Pt. 1: The Torino Scale

We love to destroy the universe, and also rebuild it. Today we begin a new series where we destroy and rebuild. Let’s talk about some existential threats we face, and ways we could recover, starting with the sword of Damocles hanging over our head: killer asteroids! We usually record Astronomy Cast every Friday at 1:30 […]

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