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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

01:00:57

Ep. 532: Modern Astronomy of Australia

365 Days of Astronomy - Weekly Edition ·

2019/06/03

Last week we talked about how well the indigenous Australians followed the night sky. Well, it turns out, Australia is still an amazing place for astronomy. There are so many powerful observatories in Australia, and even more in the works.

en

01:00:39

Ep. 531: Australian Indigenous Astronomy

365 Days of Astronomy - Weekly Edition ·

2019/05/27

This week, we focus on the archaeoastronomy of another part of the world, this time from the indigenous people of Australia. Another group of people whose lives depended on knowing what was happening in the sky from season to season.

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31:20

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

365 Days of Astronomy - Weekly Edition ·

2019/05/12

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.

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28:23

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

365 Days of Astronomy - Weekly Edition ·

2019/05/06

The Andes mountains in South America are a hotspot of astronomy today, but ancient peoples knew it was a great place for astronomy and lived their lives in tune with the night sky. Today we'll learn all about what they knew, and how they mapped the movements of the stars and planets.

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43:38

Ep. 528: Modern Astronomy of the American Southwest

365 Days of Astronomy - Weekly Edition ·

2019/04/29

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?

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01:01:13

Ep. 527: Ancient Astronomy of the American Southwest

365 Days of Astronomy - Weekly Edition ·

2019/04/22

Ancient peoples had no light pollution, and they knew the night skies very well. In fact, they depends on them to know when to plant and when to harvest. Today Pamela talks about the archeoastronomical sites of the American Southwest.

en

57:10

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

365 Days of Astronomy - Weekly Edition ·

2019/04/15

Today, of course, we're going to talk about the announcement from the Event Horizon Telescope and the first photograph of a black hole's event horizon.

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01:03:39

Ep. 525: 100 Years of the International Astronomical...

365 Days of Astronomy - Weekly Edition ·

2019/04/08

Even though they might be scattered around our planet, astronomers have way to come together to work out issues that face their entire field of study. It's called the International Astronomical Union, and they're the ones who work out the new names for stars, and sometimes de-planet beloved Kuiper Belt Objects.

en

01:00:41

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

365 Days of Astronomy - Weekly Edition ·

2019/04/01

We learned how to figure out the ages of objects in the Solar System, now we push out into the deeper Universe. What about stars, galaxies, and even the Universe itself? How old is it? This episode is part 3 of a series.

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01:01:27

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

365 Days of Astronomy - Weekly Edition ·

2019/03/25

Today we push our aging curiosity out into the Solar System to ask that simple question: how old is it and how do we know? What techniques do astronomers use to age various objects and regions in the Solar System? This is part two of a series.

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40:15

Ep. 522: Judging Age & Origins, part 1 - Earth Rocks

365 Days of Astronomy - Weekly Edition ·

2019/03/18

People always want to know how old everything is. And more specifically, they want to know how we know how old everything is. Well, here at Astronomy Cast, it's our job to tell you now only what we know, but how we know what we know. And today we'll begin a series on how we know how old everything is. This is part one of a double episode.

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21:10

Bonus Episode: Dust with Dr. Paul Sutter

365 Days of Astronomy - Weekly Edition ·

2019/03/17

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.

en

44:52

Ep. 521: The Deep Space Network

365 Days of Astronomy - Weekly Edition ·

2019/03/11

We always focus on the missions, but there's an important glue that holds the whole system together. The Deep Space Network. Today we're going to talk about how this system works and how it communicates with all the spacecraft out there in the Solar System.

en

32:10

Ep. 520: Transients: What They Are and Why They...

365 Days of Astronomy - Weekly Edition ·

2019/03/01

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.

en

34:27

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

365 Days of Astronomy - Weekly Edition ·

2019/02/25

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.

en

01:01:19

Ep. 518: When the Universe tried to Declare War

365 Days of Astronomy - Weekly Edition ·

2019/02/18

We always say the Universe is trying to kill us. But there was this one time, when the Universe used our own fear of nuclear attack against us, nearly setting off a global nuclear war. Nice try Universe, we're on to you now.

en

58:29

Ep. 517: Fritz Zwicky and the Zwicky Transient Facility

365 Days of Astronomy - Weekly Edition ·

2019/02/11

One of the most influential astronomers in the 20th Century was Fritz Zwicky. He had his hand in the discovery of dark matter, gravitational lensing, supernovae and neutron stars. And he also worked on a few more controversial ideas like, uh, tired light. Let's learn more about Zwicky.

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43:59

Ep. 516: Polar Vortices

365 Days of Astronomy - Weekly Edition ·

2019/02/04

It's cold right now. Okay, fine, here on Vancouver Island, it's actually pretty warm. But for the rest of Canada and big parts of the US, it's terrifyingly cold. Colder than Mars or the North Pole cold. This is all thanks to the break up of the polar vortex. What are polar vertices, how do they form, and where else to we find them in the Solar System?

en

55:35

Ep. 515: Space Radiation

365 Days of Astronomy - Weekly Edition ·

2019/01/28

Space is a hostile environment in so many ways. But one of its worst features is the various kinds of radiation you can find. When astronauts go back beyond the protective environment of the Earth's magnetosphere, what are the various kinds of radiation they'll encounter. And is there anything we'll be able to do about it?

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01:01:15

Ep. 514: Planetary Protection Protocols

365 Days of Astronomy - Weekly Edition ·

2019/01/21

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.

en

473 results

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