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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

59:02

Ep. 644: Is Earth… Normal?

365 Days of Astronomy - Weekly Edition ·

2022/05/30

We've now discovered thousands of exoplanets, we're learning more and more about the kinds of planetary systems there are out there across the Universe. But are planets like Earth unique or totally rare?

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56:23

Ep. 643: Sagittarius A*

365 Days of Astronomy - Weekly Edition ·

2022/05/17

All the waiting is over, we've finally seen the image of the event horizon from the supermassive black hole at the heart of the Milky Way. Different shaped blobs! And a black circle in the middle. What are we looking at? Today we're going to explain the picture, and what's next for the Event Horizon Telescope.

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01:00:09

Ep. 642: Is the Sun... Normal?

365 Days of Astronomy - Weekly Edition ·

2022/05/16

We've always assumed that we lived in a perfectly normal star system with a normal star and normal planets. It's all... normal. But with our modern understanding of billions of stars, just how normal is our Sun, anyway?

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57:03

Ep. 641: Can Planets Be Alive?

365 Days of Astronomy - Weekly Edition ·

2022/05/09

The Earth is teeming with life, but the upper atmosphere to kilometers underground. There's no question that our planet has life. But is our planet itself alive? This is a question posed back in the 1970s as the Gaia hypothesis, and it got its share of criticism. Some new ideas have been proposed to bring this hypothesis to the modern era as we search for exoplanets.

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51:54

Ep. 640: Survey Science: Newest Projects & Results

365 Days of Astronomy - Weekly Edition ·

2022/05/02

There are general-purpose telescopes and missions that astronomers can use to study specific objects. And there are the survey missions that look at the entire sky, which astronomers can use to answer questions about the Universe. We've talked about surveys in the past, but the landscape is changing quickly so it's time for an update.

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57:31

Ep. 639: Big Qs Update: Dark Matter, Dark Energy, Etc.

365 Days of Astronomy - Weekly Edition ·

2022/04/18

Knowledge moves forward, and so, we must move with it. Today we'll give you an update on some of the most fascinating, fast-changing topics in astronomy, astrophysics and cosmology.

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54:31

Ep. 638: Simulating Space Missions

365 Days of Astronomy - Weekly Edition ·

2022/04/11

Although humans have never actually been to Mars, explorers have simulated many aspects of Mars missions here on Earth. There are missions under the ocean, on the tops of volcanoes, in the harsh Canadian north, and even in bed that simulate the limitations of spaceflight, and teach us many of the lessons to prepare us for the real thing

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54:27

Ep. 637: Machine Learning in Astronomy

365 Days of Astronomy - Weekly Edition ·

2022/04/04

Computers are a big part of astronomy, but mostly they've been relegated to doing calculations. But recent developments in machine learning have changed everything, giving computers the ability to do jobs that humans could only do in the past.

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59:08

Ep. 636: Blowing Bubbles

365 Days of Astronomy - Weekly Edition ·

2022/03/28

We think of space as a vacuum, but there are regions of different density. There are winds blowing from stars and other objects that clear out vast bubbles in space, and look absolutely fantastic in pictures. And they might have been critical for Earth to even exist in the first place.

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34:16

Ep. 635: Jets: When Magnetic Fields Fling Things

365 Days of Astronomy - Weekly Edition ·

2022/03/21

As astronomers look out across the Universe. They see various objects spewing jets of material light years into space. What causes these jets? And what impact do they have on the Universe?

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50:31

Ep. 634: Milky Way’s Mergers & Acquisitions

365 Days of Astronomy - Weekly Edition ·

2022/03/14

The Milky Way is a vast grand spiral today, but how did it get this way? Astronomers are starting to unravel the history of our galaxy, revealing the ancient collisions with dwarf galaxies, and how they came together to build the modern Milky Way.

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01:00:44

Ep. 633: Weirdly Habitable Places

365 Days of Astronomy - Weekly Edition ·

2022/03/07

We've always assumed that habitable planets would need to be like Earth; a terrestrial planet orbiting a sunlike star. But now astronomers have been discovering planets in the habitable zone around very much non-sunlike stars. What strange places could be habitable?

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43:45

Ep. 632: Building Images: Optical vs Radio

365 Days of Astronomy - Weekly Edition ·

2022/02/28

A recent image from the South African MeerKAT Telescope blew our minds. It was a high resolution image of the center of the Milky Way showing delicate filaments and other structures. What was so mind blowing is that this was an image from a radio telescope. Today we’re gonna talk about why this was such an accomplishment and what the future holds for radio astronomy. https://www.sarao.ac.za/media-releases/new-meerkat-radio-image-reveals-complex-heart-of-the-milky-way/

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56:32

Ep. 631: All The Uses Of Pulsars (Including Murder)

365 Days of Astronomy - Weekly Edition ·

2022/02/21

Pulsars are the rapidly spinning degenerate husks of dead stars, turning hundreds of times a second. But they're also handy clocks, spinning with such certainty and accuracy that astronomers can use them for all kinds of stuff. We might even use them to navigate the cosmos.

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57:58

Ep. 630: Things We Can Look Forward To

365 Days of Astronomy - Weekly Edition ·

2022/02/14

In a rare moment of weakness, Pamela has decided she's open to the possibility that a future exists. That missions, telescopes and spacecraft are going to be built and they're going to do science. Today we'll talk about what we're looking forward to before she changes her mind and my naive optimism for the future.

en

01:02:40

Ep. 629: The Cost of Delays

365 Days of Astronomy - Weekly Edition ·

2022/02/07

With all the success of James Webb so far, it's looking like science's huge gamble is going to pay off, but there were years of delays and budget overruns. What impacts did these delays have on science, careers, and the future of space exploration?

en

58:11

Ep. 628: The Sun Revisited

365 Days of Astronomy - Weekly Edition ·

2022/01/31

Once again, it's time to take a look at the Sun. You know, the ongoing thermonuclear explosion of fusing hydrogen that's right over there. Fortunately, there's a fleet of spacecraft and ground observatories ready to give our best ever view of the Sun, so we can watch it. Always watching…

en

42:01

Ep. 627: Mercury Revisited

365 Days of Astronomy - Weekly Edition ·

2022/01/17

It’s been about a thousand years since since we last looked at Mercury. So we figured it’s time for an update. What new things have we learned about Mercury? Or even new questions! Fortunately there’s a mission on the way to help us get some answers.

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01:01:11

Ep. 626: Terrestrial Planets - Mercury, Venus, Earth...

365 Days of Astronomy - Weekly Edition ·

2022/01/10

We continue our refreshed tour of the solar system, checking in on the inner terrestrial planets, Mercury, Venus, Earth and Mars. What have we learned about the formation, evolution and what they might tell us about planets across the Universe.

en

01:01:50

Ep. 625: End of the Year Review

365 Days of Astronomy - Weekly Edition ·

2021/12/20

We've reached the end of 2021 and this is the last episode of the year. Let's look back at the big space events of the last year and talk about what we're looking forward to in 2022.

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466 results

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