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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

59:05

Ep. 591: What Are We Gonna Do With All That Space Junk?

365 Days of Astronomy - Weekly Edition ·

2021/01/18

Remember the good old days when there were only a few thousand living and dead satellites? Well, those days are long over. We're now entering an era where there will be tens of thousands of satellites. Not to mention the spent rocket boosters and other space junk. What kind of risk do we face and what can be done about it?

en

01:00:49

Ep. 590: Lunar Hazards: Dust, Radiation and More

365 Days of Astronomy - Weekly Edition ·

2021/01/11

2024 can't come soon enough. You know, that's the year when humans will set foot on the Moon again. Now don't you roll your eyes! That's the plan. Unless the plan changes. But my point is, explorers going to the Moon will need to be concerned about all kinds of hazards, like dust, radiation and gigantic Moon worms. I believe.

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57:52

Ep. 589 - Lunar Resources: Water (Update) & Other...

365 Days of Astronomy - Weekly Edition ·

2020/12/21

We've talked about the Moon and its water many times here on Astronomy Cast, but there've been a bunch of big updates thanks to new research from NASA and others. Today we're gonna give you an update on the state of water on the Moon and the plans to take advantage of it.

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01:01:05

Ep. 588 - Lunar Resources: Lava Tubes

365 Days of Astronomy - Weekly Edition ·

2020/12/14

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 criss-cross the subsurface of the Moon. These can provide protection from space, and a look at the geologic history of the Moon, and they can be enormous!

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01:09:39

Ep. 587: The Artemis Accords

365 Days of Astronomy - Weekly Edition ·

2020/12/07

So 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!

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59:20

Ep. 586: Life As We Know It: Habitable Exoplanets &...

365 Days of Astronomy - Weekly Edition ·

2020/11/30

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 live on other worlds.

en

01:00:12

Ep. 585: Super Earths, Mini-Neptunes & Gas Dwarfs

365 Days of Astronomy - Weekly Edition ·

2020/11/23

Astronomers are finding even more new extrasolar planets and 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!

en

59:27

Ep. 584: Sample Return Missions From Asteroids

365 Days of Astronomy - Weekly Edition ·

2020/11/02

So 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 Hayabusa II mission also bringing asteroid debris home. So today, let's talk about the missions and what we've learned so far.

en

53:59

Ep. 583: The 2020 Nobel Prize in Physics

365 Days of Astronomy - Weekly Edition ·

2020/10/26

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.

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01:01:04

Ep. 582: Building Bigger Black Holes

365 Days of Astronomy - Weekly Edition ·

2020/10/19

Did you hear the news? Nobel prizes for Black Holes! Now, 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?

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01:00:40

Ep. 581: Other Kinds Of Novae

365 Days of Astronomy - Weekly Edition ·

2020/10/12

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

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01:00:38

Ep. 580: Exploding Dwarfs

365 Days of Astronomy - Weekly Edition ·

2020/10/05

So you think that a white dwarf star is the end of a stellar life, and 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 maybe, just maybe, the last exciting thing that'll ever happen in the Universe.

en

58:56

Ep. 579: White and Black Dwarf Stars

365 Days of Astronomy - Weekly Edition ·

2020/09/28

I've got some bad news for you. Stars die. At some point in the next few billion years or so our Sun is going to start heating up, using up all the fuel in its core, and then eventually die, becoming a white dwarf. It'll then slowly cool down to the background temperature of the Universe, becoming a black dwarf. Let's learn about this fascinating process.

en

56:45

Ep. 578: Venus Updates - or - Life on Venus?!?

365 Days of Astronomy - Weekly Edition ·

2020/09/21

So have you heard the news? Of course you have. Evidence of phosphene on Venus. Which could be a biosignature of life on our evil twin planet. There have been a lot of surprising stories about Venus, so let's get you all caught up!

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58:43

Ep. 577: Mars in Opposition

365 Days of Astronomy - Weekly Edition ·

2020/09/14

Every 2 years or so Mars lines up nicely with the Earth. It takes only 2 minutes to communicate with the rovers. You can see the polar ice caps in a small telescope. And it's the best time to send your spacecraft to the Red Planet. Oct 3rd: Moon & Mars conjunction, 1.1° separation. Oct 6th: Mars opposition. Dec 21st: Jupiter/Saturn conjunction, 0.1° separation! Feb 18th "Percy" lands on Mars' Jezero crater.

en

58:13

Ep. 576: Summer Stargazing Special

365 Days of Astronomy - Weekly Edition ·

2020/06/29

It's time once again for Astronomy Cast to go on hiatus. You've got a couple months on your own to explore the night sky. But before we say goodbye, we'd like to make a few suggestions.

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01:00:15

Ep. 575: Observing The Moon

365 Days of Astronomy - Weekly Edition ·

2020/06/22

As amateur astronomers, we curse the Moon every month. Seriously! Why doesn't someone get rid of that thing! This week, something occurred to us. What if we actually pointed our telescopes at the Moon? What would we see? The Lunar "X" that Fraser talked about will be visible this Friday, June 26th! So go out with binoculars or a telescope and enjoy!

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58:54

Ep. 574: Trojan Asteroids

365 Days of Astronomy - Weekly Edition ·

2020/06/15

We imagine the asteroid belt as a place where all the rocks hang out in the solar system. But there are 2 huge bands of asteroids that orbit the Sun with Jupiter called the Trojans. And soon we may actually get a chance to see them up close!

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01:01:19

Ep. 573: Exoplanet Atmospheres

365 Days of Astronomy - Weekly Edition ·

2020/06/08

Astronomy Cast Ep. 573: Exoplanet Atmospheres Not only have astronomers discovered thousands of exoplanets, but they're even starting to study the atmospheres of worlds thousands of light years away. What can we learn about these other worlds and maybe even signs of life.

en

56:41

Ep. 572: Twists in Planet Formation

365 Days of Astronomy - Weekly Edition ·

2020/06/01

Astronomy Cast Ep. 572: Twists in Planet Formation by Fraser Cain & Dr. Pamela Gay We're all looking to the next generation of exoplanetary research where we get planets directly. But astronomers are already making great strides in directly observing newly forming planets help us understand how our solar system might have formed.

en

473 results

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