Cover image of Walkabout the Galaxy

Walkabout the Galaxy

An irreverent and informative tour of the latest, greatest, and most interesting discoveries in astronomy.

Ranked #1

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Earth's Mini-Stalker

Earth's Mini-Stalker

Lurking out there beyond the orbit of the Moon is a sneaky little asteroid that is stalking the Earth, meandering around... Read more

1 Jul 2016

34mins

Ranked #2

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It's That Time of the Solar Cycle

It's That Time of the Solar Cycle

Professor Yan Fernandez, Principal Scientist of the Arecibo Observatory, joins Josh and Addie to talk about the unique c... Read more

11 Mar 2020

51mins

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Ranked #3

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I Left My Communicator on Sigma Iotia!

I Left My Communicator on Sigma Iotia!

The astroquarks welcome noted science blogger and author Dr. Ethan Siegel whose new book Treknology takes a look at the ... Read more

22 Oct 2017

33mins

Ranked #4

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Planet 9 From Outer Space!

Planet 9 From Outer Space!

Not content with being the self-proclaimed "Pluto Killer", CalTech professor Mike Brown has now co-authored a paper hypo... Read more

23 Jan 2016

28mins

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Ranked #5

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Black Holes: What Goes In Might Come Out

Black Holes: What Goes In Might Come Out

While we stick by our longstanding advice never to enter a black hole, Jim Cooney and Zoe Landsman join Josh and Addie i... Read more

17 Jun 2016

34mins

Ranked #6

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Stripey Buggers

Stripey Buggers

The astroquarks welcome Brendan Byrne from WMFE 90.7 to discuss the some jaw-dropping images of Saturn's rings as Cassin... Read more

5 Feb 2017

37mins

Ranked #7

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SOFIA, Nobel and Kuiper - What's in a Name?

SOFIA, Nobel and Kuiper - What's in a Name?

The astroquarks welcome WMFE space reporter Brendan Byrne who recounts his flight on the SOFIA airborne observatory. The... Read more

10 Oct 2017

39mins

Ranked #8

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El Nino and the Price of Anchovies

El Nino and the Price of Anchovies

So what do floods in the southwest have to do with the price of anchovies? Join Josh, and Julie Brisset and find out in ... Read more

13 Jan 2016

30mins

Ranked #9

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The Great Black Hole Escape

The Great Black Hole Escape

What are gravitational waves good for? Getting rid of that pesky supermassive black hole that's outstayed its welcome, f... Read more

27 Mar 2017

35mins

Ranked #10

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Antimatter and Wormholes

Antimatter and Wormholes

An instrument on the International Space Station that can help us understand more about antimatter is getting an upgrade... Read more

17 Nov 2019

50mins

Ranked #11

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Fly Me To The Moon (of Saturn!)

Fly Me To The Moon (of Saturn!)

Disappointed that we don't have jetpacks and flying cars? Dr. Amanda Hendrix joins the Astroquarks to suggest an alterna... Read more

30 Nov 2017

34mins

Ranked #12

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A Space Odyssey

A Space Odyssey

One of these rocks is not like the other. One is a meteorite, and one is an asteroid, and we know that meteorites come f... Read more

30 Jan 2017

37mins

Ranked #13

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The Hottest Year in a Row!

The Hottest Year in a Row!

Venus continues its record-setting warm streak now at over 1 billion years and counting, while the Earth just set its ow... Read more

23 Jan 2017

34mins

Ranked #14

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OSIRIS-REx Gets the Gravity Assist and Scores!

OSIRIS-REx Gets the Gravity Assist and Scores!

How exactly (and why) does a spacecraft get a "gravitational assist" from a planet en route to another planet? Where doe... Read more

4 Oct 2017

40mins

Ranked #15

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The Babiest Galaxy

The Babiest Galaxy

Jim Cooney joins Josh and Addie to talk about the origin of galaxies and the observation of a galaxy from when the unive... Read more

6 Mar 2016

37mins

Ranked #16

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Attack of the Gravitational Wave

Attack of the Gravitational Wave

A long time ago in a galaxy far, far away, two big black holes (no jokes, please) collided with each other releasing a g... Read more

18 Feb 2016

30mins

Ranked #17

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Is Planet 9 Lost in Space?

Is Planet 9 Lost in Space?

Planet 9, also known as Egotron in honor of its supporters, has never been seen. A new statistical analysis of a deep sk... Read more

28 Jun 2017

39mins

Ranked #18

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2017 - A Great Year for Space

2017 - A Great Year for Space

While terrestrial matters were frequently dark and depressing, 2017 was a banner year for the cosmos, or at least for ou... Read more

28 Dec 2017

45mins

Ranked #19

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The Little Neutrino That Could

The Little Neutrino That Could

A long time ago in a galaxy far, far away, a little neutrino left a very large black hole headed straight for a point in... Read more

27 Jul 2018

38mins

Ranked #20

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That's Quite a Hadron You've Got There!

That's Quite a Hadron You've Got There!

The Large Hadron Collider announced five new subatomic particles recently. Top astroquark Jim Cooney is our go-to quark ... Read more

5 Apr 2017

39mins

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