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PODCAST

365 Days of Astronomy - Weekly Edition

Fraser Cain & Dr. Pamela L. Gay

The weekly podcast from the International Year of Astronomy 2009. This podcast comes out weekly and includes each daily episode of the 365 Days of Astronomy Podcast.

science & medicine natural sciences

All Episodes

31:08

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

365 Days of Astronomy - Weekly Edition ·

2018/11/18

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.

en

58:25

Ep. 505: Seismology

365 Days of Astronomy - Weekly Edition ·

2018/11/12

We're always interested in the surface features of the planets and moons in the Solar System, but that's only skin deep. It turns out, these worlds have an interesting inner life too. Thanks to the science of seismology, we can peer into our planet and learn how it works... inside. And we're about to take that technology to Mars.

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39:30

Ep. 504: Radar, Lidar, and Sonar

365 Days of Astronomy - Weekly Edition ·

2018/11/05

To really study something, you want to reach out and touch it. But what can you do if you're separated by a huge distance? You reach out with electromagnetic or sound waves and watch how they bounce back. Thanks to radar, sonar and lidar.

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32:41

Ep. 503: Gravity Mapping

365 Days of Astronomy - Weekly Edition ·

2018/10/29

The Earth looks like a perfect sphere, but down here on the surface we see that there are mountains, rivers, oceans, glaciers, all kinds of features with different densities and shapes. Scientists can map this produce a highly detailed gravity map of our planet. And it turns out, this is very useful for other worlds too.

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50:48

Ep. 502: No Touching: Determining Composition of...

365 Days of Astronomy - Weekly Edition ·

2018/10/22

How do you know what something is made of if you can't reach out and touch it? How do we know what planets lights years away have in their atmosphere? What about the rocks all around Curiosity? Or the geysers coming out of Europa and Enceladus? Scientists have a few handy tricks.

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55:21

Ep. 501: Water Worlds Revisited

365 Days of Astronomy - Weekly Edition ·

2018/10/10

We're not learning that the vast majority of potentially habitable worlds out there are actually icy moons like Europa and Enceladus. Good news, there are hundreds, if not thousands of times more of them than worlds like Earth. Bad news, they're locked in ice. What have we learned about water worlds and their potential for habitability?

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01:51:09

Ep. 500: Live Celebration!

365 Days of Astronomy - Weekly Edition ·

2018/09/18

Welcome to episode 500 of Astronomy Cast. To celebrate this momentous occasion, we're going to look back 500 years into the past to see what we learned about the Universe. And then we're going to look 500 years into the future. Astronomy Cast celebrated their 500th episode on Sept 15-16, 2018. We broadcasted from our celebration, in front of a live audience! And we debuted our new theme music by composer, fan and friend David Joseph Wesley!

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01:01:43

Ep. 499: What is the proposed Hubble-Lemaitre Law?

365 Days of Astronomy - Weekly Edition ·

2018/09/10

We started out Astronomy Cast with the controversal decision to de-planet Pluto. And here we are, more than a decade later, at the brink of recording our 500th episode when another big decision is coming down from the IAU: whose name goes on the concept that our Universe is expanding: Hubble or Lemaître? It’s a big deal and Pamela knows all about it.

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01:00:49

Ep. 498: Dwarf Galaxy Update

365 Days of Astronomy - Weekly Edition ·

2018/07/01

The Milky Way has gobbled up dozens of dwarf galaxies and added them to its structure. Today we're going to look at the ongoing hunt for the wreckage of past mergers. And what we've discovered about dwarf galaxies in general.

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01:03:31

Ep. 497: Update on Globular Clusters

365 Days of Astronomy - Weekly Edition ·

2018/06/25

Is it globular clusters or is it globeular clusters? It doesn't matter, they're awesome and we're here to update you on them.

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55:44

Ep. 496: Update on Stellar Populations (I, II, & III)

365 Days of Astronomy - Weekly Edition ·

2018/06/18

Another update show, this time on the various generations of stars, let's get into it.

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01:00:45

Ep. 495: Update on Asteroids & Prospects of Asteroid...

365 Days of Astronomy - Weekly Edition ·

2018/06/12

Our knowledge of space is starting to match up with our ability to get out there an explore it. There are several companies working on missions and techniques to harvest minerals from asteroids. What other resources are out there that we can use?

en

58:05

Ep. 494: Icy Moons Update 2018

365 Days of Astronomy - Weekly Edition ·

2018/06/04

Thanks to Cassini and other spacecraft, we've learned a tremendous amount about the icy worlds in the Solar System, from Jupiter's Europa to Saturn's Enceladus, to Pluto's Charon. Geysers, food for bacteria, potential oceans under the ice and more. What new things have we learned about these places?

en

01:01:36

Ep. 493: Mars Update 2018

365 Days of Astronomy - Weekly Edition ·

2018/05/28

If there's one place we've learned more about in the last 10 years, it's Mars. Thanks to all those rovers, orbiters, landers which are flying overhead, crawling around the surface, and digging into the rich Martian regolith. What have we learned about Elon Musk's future home?

en

01:03:21

Ep. 492: Comets, Asteroids and KBO’s

365 Days of Astronomy - Weekly Edition ·

2018/05/21

Another topic with plenty of updates. Since we started Astronomy Cast we’ve visited many smaller objects in the Solar System up close, from Ceres and Vesta to Pluto, not to mention a comet. What have we learned?

en

36:43

Ep 491: Exoplanet Update 2018

365 Days of Astronomy - Weekly Edition ·

2018/05/14

Finally, a big update. Have there been news in the realm of exoplanets? More news that we can possibly cover. But we'll try our best.

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57:12

Ep 490: What's New with Supernovae

365 Days of Astronomy - Weekly Edition ·

2018/05/07

Time for another update, this time we're going to look at what's new with supernovae. And once again, we've got good news, lots of new stuff to report.

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53:32

Ep 489: Black Hole Update

365 Days of Astronomy - Weekly Edition ·

2018/04/30

Another update episode, this time we look at what’s new and changed in the research of black holes. And it’s here that we find a lot of substantial new discoveries in the field, so much has been discovered since we first covered black holes a decade ago.

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37:51

Ep 488: Dark Energy: 2018 Edition

365 Days of Astronomy - Weekly Edition ·

2018/04/24

The updates continue. Last week we talked about dark matter, and this week we continue with its partner dark energy. Of course, they're not really partners, unless you consider mysteriousness to be an attribute. Dark energy, that force that's accelerating the expansion of the Universe. What have we learned?

en

01:00:34

Ep 487: Dark Matter: 2018 Edition

365 Days of Astronomy - Weekly Edition ·

2018/04/16

Last week, we gave you an update in particle physics. This week it's time to see what's new in the world of dark matter. Spoiler alert, we still have no idea what it is, but maybe a few more ideas for what it isn't.

en

466 results

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