Episodes


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.

read more

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.

read more

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.

read more

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?

read more

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.

read more

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.

read more

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.

read more

Ep. 582: Building Bigger Black Holes

Posted by on 11:26 pm in Astronomy, Cosmology, podcast | 0 comments

Ep. 582: Building Bigger Black Holes

Did you hear the news? Nobel Prizes for black holes. We know there are stellar mass black holes and supermassive black holes, but how do you get from one to the other? How do black holes get more massive?

read more

Ep. 581: Other Kinds of Novae

Posted by on 3:31 am in podcast, Science, Stars, Stellar Evolution | 0 comments

Ep. 581: Other Kinds of Novae

Don’t ever accuse us of not comprehensively covering every kind of exploding star. This week we gather up all the leftover ways that stars partially or fully explode, or don’t. Probably. Enjoy.

read more

Ep. 580: Exploding Dwarfs

Posted by on 4:36 am in Astronomy, podcast, Stars, Stellar Evolution | 0 comments

Ep. 580: Exploding Dwarfs

You’d think that a white dwarf star is the end of a stellar life. It’s all downhill from there. A long, slow cool down towards the end of everything. But in some situations, even dead stars can get exciting again, briefly becoming some of the brightest objects in the Universe. And just maybe, the last exciting thing that ever happens in the Universe.

read more