Space Podcast

Ep. 543: Weird Issues: The Habitable Zone

Our series on Universe weirdness marches on. This week we take a look at the habitable zone, and how things aren’t as simple as we thought. In this episode we mentioned donations. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download Show Notes Habitable Zones […]

Ep. 542: Weird Issues: The Age of the Universe

Our series on Universe weirdness continues, this time we learn how astronomers are struggling to make sense of the age of the Universe. In this episode we mentioned donations. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download Show Notes The universe may be a […]

Ep. 541: Weird Issues: The Expansion Rate of the Universe

Just when the Universe was starting to make sense, the cosmos throws a curveball at us. Astronomers have been trying to accurately measure the expansion rate of the Universe as far back as Hubble. It’s been tough to nail down, and now astronomers are starting to figure out why. In this episode we mentioned donations. […]

Ep. 540: Weird Issues: How Do (or Don’t) Planets Form?

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Ep. 539: Weird Issues: Why We Don’t Know the Age of Saturn’s Rings

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Ep. 538: Asteroids: Rubble piles of the Solar System

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Ep. 537 – Reusable Rocket Revolution

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Libsyn Survey Request

Please help us keep bringing you content by going to http://survey.libsyn.com/astronomycast and filling out the survey, so Libsyn can find us sponsors for Astronomy Cast! Astronomy Cast will be back in September! Don’t forget you can still catch Pamela with Daily Space, rocket launches and specials on CosmoQuest’s Twitch channel, and you can find all the […]

Summer Hiatus: Astronomy Cast Ninja Stream – Planning for Season 14

Pamela shows you around behind the (digital) scenes, and asks for your ideas for Season 14 of Astronomy Cast! Bennu Mappers – Help CosmoQuest map rocks to help pick which ones OSIRIS-REx will bring back from asteroid Bennu! Start your coffee pots, get your favorite mouse/trackpads, & GET MAPPING! (We are mapping until end of […]

Astronomy Cast: On Hiatus until September 2019

Astronomy Cast will be on hiatus for July and August. Don’t worry, we’ll be back in September, and we might just have surprises for you all along this summer! Don’t forget you can still catch Pamela with Daily Space, rocket launches and specials on CosmoQuest’s Twitch channel, and you can find all the space news […]

Ep. 536: Everyday Relativity

Relativity is used in more day to day situations than you may realize. In this episode, we will count (some of) the ways. This episode is brought to you live from the All-Stars Star Party in Indian Wells, California.

Ep. 535: Astronomy-Related Things To Do This Summer

In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: MagellanTV and 8th Light Show Notes Bennu Mappers – Help CosmoQuest map rocks to help pick which ones OSIRIS-REx will bring back from asteroid […]

Ep. 534: Modern South African Astronomy

In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: MagellanTV and 8th Light Show Notes Bennu Mappers – Help CosmoQuest map rocks to help pick which ones OSIRIS-REx will bring back from asteroid […]

Ep. 533: Indigenous South African Astronomy

In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: MagellanTV and 8th Light Show Notes Bennu Mappers – Help CosmoQuest map rocks to help pick which ones OSIRIS-REx will bring back from asteroid […]

Ep. 532: Modern Astronomy of Australia

In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: 8th Light Show Notes Bennu Mappers – Help CosmoQuest map rocks to help pick which ones OSIRIS-REx will bring back from asteroid Bennu! […]

Ep. 531: Australian Indigenous Astronomy

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Ep. 530: Astronomy of the Andes – Then and Now Pt. 2

South America, especially the Atacama Desert in Chile has become one of the best places in the world to put a telescope. It’s dry, high, and the nights are clear. Today we’ll talk about the monster telescopes already in operation in this region, and the big ones coming soon. In this episode we mentioned donations […]

Ep. 529: Astronomy of the Andes – Then and Now Pt. 1

In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: MagellanTV and KiwiCo. Show Notes Transcript transcript Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download

Ep. 528: Modern Astronomy of the American Southwest

Last week we talked about the ancient astronomy of the American Southwest. But this is actually Pamela's stomping grounds, and she's spent many a night perched atop mountains in this region staring in the night sky with gigantic telescopes. How does astronomy get done in this region today?

Ep. 527: Astronomy of the American Southwest

In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: MagellanTV and Away. Show Notes Transcript transcriptDownload MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download

Ep. 526: Event Horizon Telescope and the Black Hole at M87

It’s time to begin an all new series, where we expand our mind step by step through powers of ten to encompass the entire Universe. Today, we start with the galaxy edition. In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump […]

Ep. 525: 100 Years of the International Astronomical Union

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Ep. 524: Judging Age & Origins, part 3 – Beyond Our System

This episode is part 3 of a series. In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download Show Notes show notes Transcript transcript Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or […]

Ep. 523: Judging Age & Origins, Pt. 2 Across the Solar System

This is part two of a double episode. In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download Show Notes show notes Transcript transcript Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or […]

Bonus Episode: Dust with Dr. Paul Sutter

Recorded during the Astrotour to Costa Rica, Fraser talks to Dr. Paul Matt Sutter about the nature of dust and BICEP 2's claim of discovering primordial gravitational waves.

Ep. 521: The Deep Space Network

This episode will air on Mon, Mar 11 at 11 am ET/8 am PT/ 15:00 UTC. In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: Barkbox Show Notes show notes Transcript transcript […]

Ep. 521: Judging Age & Origins, part 1 – Earth Rocks

This is part one of a double episode. In this episode we mentioned donations and tours. Click to learn more! Download MP3| Download Raw Show with Q&A| Show Notes | Jump to Transcript or Download This episode is sponsored by: 8th Light Show Notes show notes Transcript transcript Download MP3| Download Raw Show with Q&A| […]

Ep. 520: Transients: What They Are and Why They Matter, Part 2

This is our second episode in a two part series where we look at Transients in astronomy. In last week's episode, we talked about things that change here in our own Solar System. Now we'll talk about everything else in the Milky Way and beyond.

Ep. 519: Transients: What They Are and Why They Matter

Astronomers have found that sometimes the Universe changes. Things move, things explode, things get brighter or dimmer. In fact, knowing this has helped astronomers discover some very important aspects of the Universe. Today we begin a two part series on Transients and their role in astronomy. This is part one of a double episode. In […]

Ep. 518: When the Universe tried to Declare War

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Ep. 517: Fritz Zwicky and the Zwicky Transient Facility

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Ep. 516: Polar Vortices

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Ep. 515: Space Radiation

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Ep. 514: Planetary Protection Protocols

As we send rovers and landers to other worlds, we have to think about the tiny microbial astronauts we're sending along with us. In fact, NASA is so concerned about infecting other worlds that it has established the planetary protection protocols. Just to be safe.

Ep. 513: Stellar Fusion

The Sun. It's a big ball of fire, right? Apparently not. In fact, what's going on inside of the Sun took us some time and knowledge of physics to finally figure out: stellar fusion. Let's talk about the different kinds of fusion, and how we're trying to adapt it to generate power here on Earth.

Ep. 512: Direct Imaging of Exoplanets

Finding planets is old news, we now know of thousands and thousands of the places. But the terrible irony is that we can only see a fraction of the planets out there using the traditional methods of radial velocity and transits. But the new telescopes will take things to the next level and image planets directly.

Ep. 511: Predictions for 2019

We did it, we made it through 2018 in space. Now let's look forward to the incredible launches, discoveries and astronomical events happening in 2019.

Ep. 510: 2018 – Year in Review

2018 was an incredible year in space news. Rockets launched, landers landed, spacecraft were born and died. We learned tremendous new things about Universe around us, and today we're here to look back fondly over the last 12 months to review the year in space that was.

Astronomy Cast has won a Parsec Award!

After many years as a finalist, Astronomy Cast has finally won in the Fact Behind the Fiction category of the 2018 Parsec Awards, joining the ranks of other fantastic podcasts such as Talk Nerdy with Cara Santa Maria, HubbleCast, the Planetary Society's Planetary Radio, Monster Talk, 365 Days of Astronomy and Universe Today’s Guide to Space.

Ep. 509: Fiction to Fact: 3D Printers

The technology of 3D printing is taking off. From tiny home-based 3D printers to larger manufacturing. And of course, 3D printing is going to space with the International Space Station and beyond.

Ep. 508: 2018 Holiday Gift Guide

We did it, we made it to the end of another year. Once again it's time to wonder what gifts to get your beloved space nerds. We've got some suggestions. Some are brand new this year, others are classics that we just can't help but continue to suggest. Let's get into it.

Ep. 507: From Fiction to Fact : Ion Drive

Ion engines are a mainstay of science fiction, featured in both Star Trek and Wars. But this is a very real technology, successfully used on several missions out there in the Solar System right now. How do they work and what are the limits?

Ep. 506: It's not Aliens, Unless it's Aliens

Did you hear that astronomers from Harvard think that the interstellar asteroid Oumuamua was actually an alien solar sail? Is it aliens? Of course it's not aliens. But some day, it'll actually be aliens.