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PODCAST

The LIUniverse with Dr. Charles Liu

A half-hour dose of cosmic conversation with scientists, educators and students about the cosmos, scientific frontiers, scifi, comics, and more. Hosted by Dr. Charles Liu, PhD, an astrophysicist at the American Museum of Natural History. Support us on Patreon.

science astronomy

All Episodes

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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39:24

Ancient Astronomy with Hannah Liu

The LIUniverse with Dr. Charles Liu ·

2024/03/16

What does the study of archeology, the study of the human past, offer to the astronomers of today? To find out, Dr. Charles Liu and co-host Allen Liu welcome archaeology expert Hannah Liu, MEd, to connect the past, the present, and the future of astronomy in an episode Allen has described as, “A Fistful of Lius.”As always, though, we start off with the day’s joyfully cool cosmic thing, a recent scientific paper just published by archaeologist Federico Bernardini and astronomer Paolo Molaro which

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35:40

Lucy and L'SPACE with Freya Holloway

The LIUniverse with Dr. Charles Liu ·

2024/03/03

How can college students who would like to work in the space industry and at NASA get their foot in the door? And what is the purpose of the Lucy mission to the Trojan Asteroids? To get the answers to both of these questions, Dr. Charles Liu and co-host Allen Liu welcome Freya Holloway, a NASA L’SPACE Lab Tech at ASU.As always, though, we start off with the day’s joyfully cool cosmic thing: the latest, most accurate coloration of Neptune. It turns out, the rich, deep blue Neptune we’ve come to know

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11 results

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