Episodes


Ep. 592: Gamma-Ray Bursts (Updated)

Posted by on 9:48 pm in Astronomy, High Energy Physics, podcast | 0 comments

Ep. 592: Gamma-Ray Bursts (Updated)

Some of the most powerful explosions in the Universe are gamma ray bursts, capable of blasting a beam of death halfway across the galaxy. In just the last few years, astronomers have discovered a tremendous amount about these blasts, and what’s actually causing them. The answer, of course, is that it’s more complicated than we thought.

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Ep. 591: Space Junk

Posted by on 3:00 pm in Missions, podcast, Spacecraft | 0 comments

Ep. 591: Space Junk

Remember the good old days, where there were only a few thousand living and dead satellites? Those days are long over. We’re now entering an era where there will be tens of thousands of satellites, not to mention the spent rocket boosters and other space junk. What kind of a risk do we face and what can be done about it?

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Ep. 590: Lunar Hazards: Dust, Radiation, and More

Posted by on 4:00 pm in Missions, Our Solar System, Planetary Science, podcast, Solar System | 1 comment

Ep. 590: Lunar Hazards: Dust, Radiation, and More

2024 can’t come soon enough. You know, that’s the year when humans will set foot on the Moon again. Don’t you roll your eyes. That’s the plan. Well, unless the plan changes. But my point is, explorers going to the Moon will need to be concerned about all kinds of hazards, like dust, radiation and gigantic moon worms.

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Ep. 589: Lunar Resources: Water (Update) & Other Volatiles

Posted by on 5:17 pm in Our Solar System, Planetary Science, podcast, Solar System | 1 comment

Ep. 589: Lunar Resources: Water (Update) & Other Volatiles

We’ve talked about water on the Moon many times here on Astronomy Cast, but there have been a bunch of big updates, thanks to new research from NASA and others. Today we’re going to give you an update on the state of water on the Moon and the plans to take advantage of it.

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Ep. 588: Lunar Resources: Lava Tubes

Posted by on 5:01 pm in Our Solar System, Planetary Science, podcast, Science, Solar System | 0 comments

Ep. 588: Lunar Resources: Lava Tubes

All eyes are on the Moon. We’re going back, this time to stay… right? One of the best resources on the Moon will be the lava tubes that crisscross the subsurface of the Moon. These can provide protection from space, and a look into the geologic history of the Moon. And they can be enormous.

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Ep. 587: Artemis Accords

Posted by on 4:02 am in History, Missions, podcast, Space Flight | 2 comments

Ep. 587: Artemis Accords

The Moon is about to become a very busy place, with multiple countries and private companies planning missions in the next few years. It’s been decades since the Outer Space Treaty was negotiated. It’s time for the Artemis Accords.

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Ep. 586: Life as We Know It: Habitable Exoplanets & Extremophiles

Posted by on 2:25 am in Aliens, Chemistry, Exoplanets, podcast | 0 comments

Ep. 586: Life as We Know It: Habitable Exoplanets & Extremophiles

As scientists continue to explore the Earth, they’re discovering life surviving and even thriving in extreme environments. What hints can this give us about what we might find as we search for life on other worlds?

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Ep. 585: Super Earths, Mini-Neptunes, Gas Dwarfs

Posted by on 4:10 am in Astronomy, Exoplanets, Extrasolar Planets, Planets, podcast | 1 comment

Ep. 585: Super Earths, Mini-Neptunes, Gas Dwarfs

As astronomers are finding even more new extrasolar planets, they’re starting to discover entirely new categories. There are classes of planets out there that we just don’t have any analog here in the Solar System. Let’s talk about them.

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Ep. 584: Sample Return Missions from Asteroids

Posted by on 1:44 am in Missions, Our Solar System, Planetary Science, podcast, Solar System | 0 comments

Ep. 584: Sample Return Missions from Asteroids

With a sample of asteroid Bennu firmly inside OSIRIS-REx’s return capsule, it’s time to bring this treasure home so scientists can study the composition and history of the space rock. But it’s not the only sample return mission out there, with Japan’s Hayabusa2 mission also bringing asteroid debris home. Today, let’s talk about the missions and what we’ve learned so far.

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Ep. 583: The Nobel Prize

Posted by on 3:39 pm in Astronomy, Compact Objects, Cosmology, People, Physics, podcast, Relativity, Science | 0 comments

Ep. 583: The Nobel Prize

This year’s Nobel Prize in Physics was awarded to three brilliant researchers who worked out some of the secrets of black holes. Today we’re going to talk about the chain of discoveries that led to this award.

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