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PODCAST

Walkabout the Galaxy

Joshua Colwell, Adrienne Dove, and James Cooney

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

science natural sciences

All Episodes

44:40

Where No Podcast Except This One Has Gone Before

Walkabout the Galaxy ·

2018/10/20

Candy Hansen, veteran of Voyager, Cassini and Mars missions and head of the JunoCam on Juno at Jupiter joins the astroquarks to talk about the edge of the solar system. The astroquarks discuss what the edge of the solar system is, plus stars from other galaxies, space trivia and superhero news.

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44:28

Of Goblins and Planets

Walkabout the Galaxy ·

2018/10/12

Planet 9 is Pluto, but Planet X is back in the news with the discovery of another object in the deep and distant recesses of our solar system, nicknamed the Goblin! It adds another piece of evidence to the idea that a big planet-y thing is lurking our there. So the astroquarks start Halloween season off with a Goblin-themed episode with a planetary Goblin and goblin trivia. Get your spook on, plus a multitude of asteroid hoppers and news from the surface of Mars in the latest episode of Walkabout

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47:41

The Big Falcon Episode

Walkabout the Galaxy ·

2018/09/28

It would take a falcon huge episode to cover all the space news this month, so the astroquarks take a crack at it. From Space-X's latest plans for a crewed lunar flyby mission to the Japanese Hayabusa-2 mission's landers on the asteroid Ryugu, to the latest news about the missing matter in the universe, this episode has it all. It's falcon huge.

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49:02

An Exthwartation of Quarks, or Jupiter's Magnetic Nubbin

Walkabout the Galaxy ·

2018/09/20

The astroquarks have your bases covered, from Juno's discovery of a magnetic nubbin at Jupiter (check your Friends references) to confirmation of the decay mode of the Higgs Boson to what does it matter anyway because we're all living on the Holodeck! Adam LaMee joins us again to thwart us with a taste of our own quark-thwarting questions. Plus comet trivia and your sponsor.

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47:51

The One That Should Have Been Sponsored by Starburst

Walkabout the Galaxy ·

2018/09/07

Zoe Landsman, "b" astroquark, joins Josh, Jim, and guest Adam LaMee to talk about an ancient (or very young, depending your point of reference) galaxy that's popping off stars so fast we almost called this the Pop Off episode. Plus Adam turns the tables on the astroquarks, updates and trivia on the Mars rovers, plugging leaks in space with your thumb, and the solar cycle.

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41:00

When the Moon Hits Your Eye, You Might Get a Little Wet

Walkabout the Galaxy ·

2018/08/28

Move over Mars, the Moon wants in on the water game! Attention is focused on the south polar region of the Moon which is both dark (and therefore cold and water-friendly) all the time, and also bright (and therefore solar-panel friendly) all the time. What?! Yep, that's right. The astroquarks are back from summer break to break it all down for you in this episode of Walkabout the Galaxy, plus space trivia and news.

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40:54

Really Real Actual Water IN Mars. Probably.

Walkabout the Galaxy ·

2018/08/11

In this week's "water on Mars" there's actual news of a potential liquid water reservoir on the red planet today. Well, more in it, than on it, but that adds it to the icy moons with subsurface lakes. This lake is very cold, so that water must be very salty. The astroquarks bring you up to date, touch on a new verification of general relativity, and most importantly delve into obscure superheroes and super-energetic cosmic rays. Great name for a rock band by the way. Catch it all on this episode of

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38:32

The Little Neutrino That Could

Walkabout the Galaxy ·

2018/07/27

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 space that would be occupied by the Ice Cube neutrino observatory at the Earth's south pole just in time to detect it! This is the story of that neutrino, Scrabble(TM) competitions, neutrino trivia, and a very embarrassing sponsor message. We're all very sorry about that sponsor message, but they paid, so we honored the contract, okay?!

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47:19

What Goes Around Comes Around

Walkabout the Galaxy ·

2018/07/16

Objects in our solar system can take pretty torturous paths to get from point A to point B. Nature can scramble the orbits of asteroids, and people can make satellite orbits scramble in just the right way to go from one orbit to another. Strange, Charm, and Top explore the ways orbits change and a new research report that says that most of the asteroids in the inner part of the asteroid belt may be the debris of just five primordial protoplanets that got smashed to smithereens billions of years ago

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50:56

Wouldn't You Like to Hayabusa Too?

Walkabout the Galaxy ·

2018/06/30

An ambitious Japanese mission, Hayabusa-2 has arrived at its target asteroid Ryugu. Are-you-good with that? See what we did there? (Ryugu'd? Get it?) Yes, that's the level of discourse on Walkabout the Galaxy, but we also find out about the great science to come from this exciting asteroid sample return mission, and a look ahead to the James Webb Space Telescope, whose launch has been slipped to make absolutely sure that nothing got Ryugu'd while building it. Plus we talk about the science of

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46:47

USA to NASA: Save Our Planet!

Walkabout the Galaxy ·

2018/06/18

NASA does many inspiring and amazing things, from fundamental research into the evolution of the universe and the formation of planetary systems, to development of new technologies to enable humans to go to other worlds. They also sponsor research to monitor the Earth and to monitor the space near the Earth for potential impactors. The astroquarks weigh in on their own preferences for NASA's research priorities and discuss the results of a new survey of Americans on the subject. There's also the

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46:05

Won't You Be My Neighbor Universe?

Walkabout the Galaxy ·

2018/06/07

The astroquarks have often wondered where all our alien friends are hanging out. Maybe they're all just in a different universe? Well, most of those universes are probably duds, and anyway, we'll never know! That's the whole definition of a universe. New research sheds light on the surprisingly small role dark energy plays in the early evolution of a universe, and then there's the question of AntMan and the Wasp: do they conserve mass or not when they shrink? We must know!

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46:25

The Interstellar Interloper and the Ravenous Black Hole

Walkabout the Galaxy ·

2018/05/28

It may sound like the title of an astroquark's sex tape, but we actually do have news about a potentially new long-term resident of the solar system captured from another planetary system, and Top astroquark Jim Cooney tells us all about a black hole gobbling up so much stuff that it's the brightest object in the universe! Honorary "Bottom" astroquark Dr. Zoe Landsman joins us to discuss these odd objects, Deadpool and Solo, and asteroid trivia.

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43:10

Does Mars Have a Chewy Center?

Walkabout the Galaxy ·

2018/05/13

We all know Mars is crunchy on the outside, but does it have a chewy center? The NASA Mars InSight mission is en route to the red planet to answer that question. The astroquarks talk about InSight's science and instruments, Han Solo, and Richard Feynman in another wide-ranging episode of Walkabout the Galaxy!

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46:25

Chasing New Horizons with David Grinspoon

Walkabout the Galaxy ·

2018/05/01

Check out our first literally-titled episode! David Grinspoon, co-author of "Chasing New Horizons", the behind-the-scenes story of the Pluto mission, joins the astroquarks to dish on Pluto the planet, space exploration, Carl Sagan, and Mickey Mouse's dog!

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43:39

Danger Astroquarks!

Walkabout the Galaxy ·

2018/04/14

The astroquarks remember Yuri Gagarin's historic first flight in this episode before zooming off to the galactic center to see what's what with the discovery of thousands of black holes packed into the region. Then they zoom out to the galactic halo for a quick distance check on a globular cluster. Hopefully they won't get lost in space!

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43:34

I Think I Stepped in Some Dark Matter

Walkabout the Galaxy ·

2018/04/03

What do Annihilation, Buckyballs, the Transiting Exoplanet Survey Satellite and an itsy-bitsy galaxy have in common? They're all topics for the latest walkabout the galaxy with the astroquarks. A small galaxy has been observed with essentially no dark matter (most are mostly made of the dark stuff). Paradoxically, this is very strong evidence for the existence of dark matter. Speaking of things that are hard to see, we'll also check in on TESS, the next space telescope designed to discover lots of

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51:54

For Stephen Hawking

Walkabout the Galaxy ·

2018/03/28

The astroquarks discuss the late Stephen Hawking's first major breakthrough in astrophysics: radiation from black holes, now known as Hawking Radiation and what that means about what would happen if you through all the recordings of Walkabout the Galaxy into a black hole. UCF student and astronomer Anna Metke joins Josh and Jim to talk about telescopes near and far, and the giant radio telescopes of the Deep Space Network used to talk to spacecraft across the solar system.

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35:56

Magnetic Ink Blot Test in Space

Walkabout the Galaxy ·

2018/03/11

Some things are hard to see, like black holes. In this episode of Walkabout the Astroquarks discuss a couple of new observations that help us see the earliest stars in the universe and the supermassive black hole at the center of our galaxy. Plus: Josh struggles to understand superhero movies, Jim provides the trivia, and Addie, as always, is Charm.

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46:17

Print Me a Space Base, Please

Walkabout the Galaxy ·

2018/03/01

The Astroquarks welcome Dr. Phil Metzger, expert on the use of local materials on the Moon, asteroids, and Mars, to tell us about the prospects for prospecting in space. Find out how to build your Moon home from the space dirt on hand, plus nerd news and space trivia!

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