The LIUniverse with Dr. Charles Liu

48:31

Bonus Episode: The Secret Fortress of Ag-Karrah, Part...

The LIUniverse with Dr. Charles Liu ·

2026/08/16

What happens when an astronomer, a mathematician, an educator, a physics student and a biomedical engineer set off to explore the Secret Fortress of Ag-Karrah? You get Part One of this summer’s bonus Actual Play episode of The LIUniverse starring Dr. Charles Liu and company.You read that right! For this actual play podcast episode of The LIUniverse, Chuck and co-host Alice Liu welcome back fan favorite guest and expert on ancient civilizations, author and educator Hannah Liu, M.Ed., and the show’s

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43:06

Our Weird, Wondrous Universe with Erika Hamden

The LIUniverse with Dr. Charles Liu ·

2026/05/30

How do distant galaxies form? If you have two distant clouds of hydrogen, why does one turn into a star and another doesn’t? To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Erika Hamden, Professor of Astrophysics at the University of Arizona. If Erika looks familiar, that might be because her TED Talk or “New Frontiers,” the TV show she hosts on Arizona Public Media.As always, though, we start off with the day’s joyfully cool cosmic thing, Artemis II, our first manned mission around

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45:18

Ruby Raindrops and Painted Peacocks with Munazza Alam

The LIUniverse with Dr. Charles Liu ·

2026/05/16

Are there really exoplanets with where it rains ruby and emerald raindrops? How do we measure the atmospheres of exoplanets light years away?To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Munazza Alam of the Space Telescope Science Institute. The STScI performs science operations for the Hubble Space Telescope, the James Webb Space Telescope, and the Nancy Grace Roman Space Telescope when it launches in 2026. As always, though, we start off with the day’s joyfully cool cosmic thing

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47:33

Finding the “Bubbles” Exoplanet and Crocheting...

The LIUniverse with Dr. Charles Liu ·

2026/04/11

How do we find exoplanets? What is the Milky Way’s “Thick Disk” and what makes it so special? To find out, Dr. Charles Liu and co-host Allen Liu welcome Harvard astronomer Dr. Victoria DiTomasso, who has discovered an exoplanet system that includes exoplanet HD60079 b, which she sometimes calls “Bubbles.”As always, though, we start off with the day’s joyfully cool cosmic thing, a paper just recently published about the exoplanet Teegarden Star b. Dr. DiTomasso explains the difference in exoplanet

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40:25

Supernovas and Space Gold with Dr. Ashley Villar

The LIUniverse with Dr. Charles Liu ·

2026/03/21

How do stars die? And what happens when they do? To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Ashley Villar, who teaches astronomy at Harvard and whose team studies supernovas as they happen.As always, though, we start off with the day’s joyfully cool cosmic thing, the release of a set of new Hubble Space Telescope images of the Crab Nebula and the pulsar at its center. Needless to say, it’s a great start to an episode about a team of scientists who actually study the moment a

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43:43

Building Worlds with Luke Skywatcher

The LIUniverse with Dr. Charles Liu ·

2026/03/08

How do planetary systems form? If you wanted to observe them, where would you look and what would you look for?To find out, Dr. Charles Liu and co-host Allen Liu welcome Luke Keller, professor of Astronomy and Physics at Ithaca College, who together with his team has identified 9 of these early solar systems. As always, though, we start off with the day’s joyfully cool cosmic thing: a recently published paper that determined that at any given time, it is likely that a couple of extrasolar objects

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55:03

Chuck GPT: Astrotech

The LIUniverse with Dr. Charles Liu ·

2026/02/08

How can a helicopter fly in space? How does LIGO detect gravitational waves? How do quantum electronic devices like Josephson junctions work? Could AI turn evil and destroy humanity? What about those grabby aliens? In this episode of Chuck GPT, Dr. Charles Liu and co-host Allen Liu answer audience questions about the technology of astronomy, astrophysics, and the future.To read those questions, we welcome back our executive producer Leslie Mullen, community director Stacey Severn, and intern

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34:39

2025 Year-End Special

The LIUniverse with Dr. Charles Liu ·

2025/12/27

What were our joyfully cool cosmic things of 2025? To find out, Dr. Charles Liu and co-host Allen Liu welcome three members of The LIUniverse production team: Jon Barnes, our Editor and self-proclaimed “#1 LIUniverse Fan,” Stacey Severn, our Social Media Manager/Community Director, and physics student Eleanor Adams, the show’s first intern.Unlike nearly every episode so far, this time, rather than limit ourselves to one joyfully cool cosmic thing, the team is going to each share their individual

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46:44

Rings, Orbits and Space Storms with Dr. Phil Nicholson

The LIUniverse with Dr. Charles Liu ·

2025/11/30

How do planetary ring systems rings form, and what keeps them in line? What exactly is the Dragon Cloud of Saturn? And what’s up with quasi moon 2025 PN7? To find out, Dr. Charles Liu and co-host Allen Liu welcome Cornell University’s dynamical astronomer Dr. Phil Nicholson for a refresher course in orbital mechanics.As always, though, we start off with the day’s joyfully cool cosmic thing, which is right up Phil’s alley: the recent discovery of quasi moon 2025 PN7. Phil unpacks the orbital

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41:37

Black Holes Colliding with Dr. Charlotte Olsen

The LIUniverse with Dr. Charles Liu ·

2025/11/01

How do very small galaxies form? What’s going on inside them? And what happens when black holes collide? To find out, Dr. Charles Liu and co-host Allen Liu welcome astrophysicist and “Galaxy Detective” Dr. Charlotte Olsen from New York City College of Technology – and you can call her Chuck, too!As always, though, we start off with the day’s joyfully cool cosmic thing, the latest announcement from LIGO about the detection of a gravitational wave event in 2023 from the loudest collision we’ve heard

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43:39

Measuring the Stars with Astrostatistician Sabrina...

The LIUniverse with Dr. Charles Liu ·

2025/10/18

How does a star form? How does the universe form? And how can we use every bit of astronomical data to answer those questions? To find out, Dr. Charles Liu and co-host Allen Liu welcome astrostatistician Sabrina Berger, all the way from Melbourne, Australia, where she’s currently pursuing her PhD.As always, though, we start off with the day’s joyfully cool cosmic thing, the new radioastronomy photographs of Callisto, one of the moons of Jupiter, taken by ALMA. Sabrina talks about her own

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27:00

Chuck GPT Apocalypse, Part 1

The LIUniverse with Dr. Charles Liu ·

2025/06/08

As our fourth season draws to a close, we’ve got an apocalyptic, 2-part ending lined up. That’s right, we’re talking Armageddon, and we don’t mean the 1998 Bruce Willis blockbuster. And of course, if we’re going to delve into the end of everything, Dr. Charles Liu and co-host Allen Liu are going to need the help of our ever popular archaeology expert and author, Hannah Liu, MEd.As always, though, we start off with the day’s joyfully cool cosmic thing, the failed Soviet-era Kosmos 482 lander that

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38:10

Early Galaxies, Intelligent Plants and the Geometry...

The LIUniverse with Dr. Charles Liu ·

2025/04/26

Why is it so difficult to study the evolution of early galaxies? Are metallic D&D dice better than plastic ones? And can you have too many Pokémon tattoos? To find out, Dr. Charles Liu and co-host Allen Liu welcome Justin Cole, who is currently a grad student at Texas A&M studying the evolution of distant galaxies in pursuit of his PhD in Astronomy and Astrophysics.As always, though, we start off with the day’s joyfully cool cosmic thing – the recent – and remarkable – discovery of four

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43:43

Standing on the Edge of Discovery with Dr. Melodie Kao

The LIUniverse with Dr. Charles Liu ·

2025/04/05

What’s it like to stand at the edge of human knowledge, where we don’t know what leap forward in understanding the next technological innovation will herald? To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Melodie Kao, resident radio astronomer at the Lowell Observatory in Flagstaff, AZ, where Clyde Tombaugh discovered Pluto back in 1930. (And if you’re scratching your heads saying, “What’s a radio astronomer doing at an optical observatory?” you’re not alone. Short answer: Melodie

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47:01

Future Fashion: Spacesuits, Exoskeletons & More with...

The LIUniverse with Dr. Charles Liu ·

2025/03/22

What will well-dressed astronauts be wearing on the Artemis III mission? Will AI destroy creativity? Can we actually make leather clothing out of mushrooms?To find out, Dr. Charles Liu and co-host Allen Liu welcome engineer and futurist Alexia Stylianou, who is designing wearable biometric platforms that can measure human biomechanics to a resolution and degree far beyond what’s accessible to everyday people. Before we get to introducing our guest this episode, though, Charles whets our appetite

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36:14

The End of Everything with Dr. Katie Mack Part 1

The LIUniverse with Dr. Charles Liu ·

2024/08/24

How did the universe evolve, and more importantly, how might it end? To find out, Dr. Charles Liu and co-host Allen Liu welcome theoretical cosmologist and astrophysicist, Dr. Katie Mack, author of the recently published book, “The End of Everything (Astrophysically Speaking).” You’re going to need your thinking caps for this episode, because the trio get into some pretty intense and complex concepts in physics and astrophysics.We start off this episode hearing why Katie, who grew up under the

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39:48

Making Space Accessible with Celene Shimmen

The LIUniverse with Dr. Charles Liu ·

2024/08/10

How do you go from a small town in Colorado to being a scientist-astronaut candidate in Australia? And how can you make space accessible for disabled astronauts? To find out, Dr. Charles Liu and co-host Allen Liu welcome scientist-astronaut candidate Celene Shimmen.As always, though, we start off with the day’s joyfully cool cosmic thing, the new study using the James Webb Space Telescope that disproves the detection of tryptophan, a complex amino acid, in the interstellar cloud IC 348. Or, as

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47:02

Chuck GPT 3.0: Gravity, rocket Propulsion, space...

The LIUniverse with Dr. Charles Liu ·

2024/06/15

Does sound travel faster in space? Is the multiverse theory true? Can gravity escape a black hole? In our latest episode of our popular “Chuck GPT” series, Dr. Charles Liu and co-host Allen Liu welcome our Social Media/Patreon Community Director Stacey Severn to answer fan questions collected from Patreon patrons, students, Facebook and YouTube.As always, though, we start off with the day’s joyfully cool cosmic thing: the recently released Euclid space telescope image of galactic cluster Abell

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38:29

Cosmic Pathways with Dr. Ronald Gamble

The LIUniverse with Dr. Charles Liu ·

2024/05/18

Do gravitons exist? What are blazars? How did our universe begin? To grapple with questions on a cosmological scale, Dr. Charles Liu and co-host Allen Liu welcome Dr. Ron Gamble, a theoretical astrophysicist at the NASA Goddard Space Flight Center.As always, though, we start off with the day’s joyfully cool cosmic thing, the gravitational wave background. Luckily, we have the “cosmological - gravitational wave - black hole meister dude” Ron on board as our expert to unpack the concept. Ron’s

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36:55

ChuckGPT 2.0 – Three Body Problem Q&A

The LIUniverse with Dr. Charles Liu ·

2024/03/30

What is the science behind the science fiction in Three Body Problem? In our second episode of “ChuckGPT” Dr. Charles Liu and co-host Allen Liu welcome two members of our production team: Jon Barnes, our Editor, and Stacey Severn, our Social Media/Patreon Community Director, to delve into the questions and answers posed by the award-winning novel and new series on Netflix.As always, though, we start off with the day’s joyfully cool cosmic thing: the recent discovery of an exoplanet by high school

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