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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

27:24

Sharing Space with Astronaut Cady Coleman, Part 2

The LIUniverse with Dr. Charles Liu ·

2024/07/20

We jump right back in where we left off in Part 1 of our interview with Dr. Cady Coleman, astronaut, chemist, engineer, flautist, and most recently, the author of “Sharing Space: An Astronaut's Guide to Mission, Wonder, and Making Change.” (If you missed it, listen to Part 1 here.) Chuck asks Cady to tell us more about NASA’s decision to not include small and extra-large spacesuits to “save space.” She explains how, a few months later, they reinstated the extra-large suits, but not the small suits

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30:00

Sharing Space with Astronaut Cady Coleman, Part 1

The LIUniverse with Dr. Charles Liu ·

2024/07/06

What is the overview effect? Why is slow fast when you’re spacewalking? And what would happen to Chuck and Allen’s hair in space?To get the answers to these and other questions, Dr. Charles Liu and co-host Allen Liu welcome back astronaut, chemist, engineer, flautist, and most recently, the author of “Sharing Space: An Astronaut's Guide to Mission, Wonder, and Making Change,” Dr. Cady Coleman. As always, though, we start off with the day’s joyfully cool cosmic thing, a micrometeorite pit 2

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34:09

Composing the Cosmos – Musical Explorations of Deep...

The LIUniverse with Dr. Charles Liu ·

2024/06/02

Is there really a music of the spheres? And why is space so inspirational for creativity? To ponder these cosmic questions, Dr. Charles Liu and co-host Allen Liu welcome noted composer and pianist Bruce Lazarus.As always, though, we start off with the day’s joyfully cool cosmic thing, this time in honor of our guest: the fact that the movie “Oppenheimer” won the Academy Award for Best Original Score. Chuck mentions some other incredible musical scores, especially John William’s soundtrack to

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41:28

Volcanoes on Earth and in Space with Dr. Samantha...

The LIUniverse with Dr. Charles Liu ·

2024/05/04

Volcanoes in space...supervolcanoes here on Earth... and lava lakes everywhere! To get an expert opinion on eruptions, Dr. Charles Liu and co-host Allen Liu welcome Dr. Sam Tramontano, a Post-Doctoral researcher in geology and Earth sciences at The American Museum of Natural History.As always, though, we start off with the day’s joyfully cool cosmic thing, the Juno spacecraft’s two recent close passes (under 1000 miles) of Jupiter’s moon Io and the amazing images of volcanic activity and Io’s lava

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40:31

Neurobionics with Dr. Nicki Driscoll

The LIUniverse with Dr. Charles Liu ·

2024/04/21

How does the brain actually work? And is there anything we can do when it doesn’t? To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Nicki Driscoll, CTO and Co-Founder of NeuroBionics.As always, though, we start off with the day’s joyfully cool cosmic thing, the recently announced discovery of Super-Earth TOI-715 b that is within its star’s habitable zone. It’s roughly 1.5x the diameter of Earth and orbits an M-4 Red Dwarf star in a zone where liquid water could exist and be stable on

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36:33

The Great American Eclipse

The LIUniverse with Dr. Charles Liu ·

2024/04/05

The total solar eclipse is almost here! In this special episode of The LIUniverse, Dr. Charles Liu and co-host Allen Liu bring you both the basics and some more in-depth investigations of how eclipses work, how to see them, and what makes them so unique. This episode includes clips from Chuck’s recent public talk at the College of Staten Island to a packed house. So, if you hear some background chatter, it’s the audience getting as excited about the eclipse as we are.Today’s joyfully cool cosmic

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27:23

Solar Flares and Deep Space Nine with Dr. Jimmy Negus

The LIUniverse with Dr. Charles Liu ·

2024/02/18

Welcome to the Season 3 premiere of The LIUniverse, your happy half-hour dose of cosmic conversation and geeky banter with host Dr. Charles Liu! In this episode, Chuck and co-host Allen Liu welcome back Dr. Jimmy Negus, who was our guest on our very first episode, to talk about Solar Flares, “Deep Space Nine,” and more.As some of you may remember, Jimmy was only a PhD candidate back then, with his research focused on active galactic nuclei, including black holes, quasars and more. Now that he’s got

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49:55

Chuck GPT 1.0 Year End Q&A

The LIUniverse with Dr. Charles Liu ·

2023/12/30

What happens to one sun of a binary pair if the other goes supernova? Can we mitigate the greenhouse effect? How big should a telescope be? For our Season 2 finale, we’re answering fan questions from YouTube, Instagram, and Facebook. To bring those questions to life, Dr. Charles Liu and co-host Allen Liu welcome two members of the LIUniverse social media team, “Vinyl Benjy” Schoenfeld, our TikTok manager, and Stacey Severn, our Social Media Director. As always, though, we start off with the season’s

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31:48

Star Trucking with Franklin Chang-Diaz and Miranda...

The LIUniverse with Dr. Charles Liu ·

2023/12/16

Welcome to Part 2 of our interview with father and daughter team Franklin Chang-Diaz, NASA astronaut and founder of the Ad Astra Rocket Company™, and Miranda Chang, Ad Astra’s Global Communications Director. We pick up where we left off, with a focus on fathers working with their children! Host Charles Liu shares how much he loves doing The LIUniverse with his co-host and son Allen, while Franklin talks about how important Miranda is to the running of Ad Astra. Then it’s on to our next question,

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34:08

Star Trucking with Franklin Chang-Diaz and Miranda...

The LIUniverse with Dr. Charles Liu ·

2023/12/10

When humanity heads out for the stars, what will be powering our spacecraft? To find out, Dr. Charles Liu and co-host Allen Liu welcome father and daughter team Franklin Chang-Diaz, NASA astronaut and founder of the Ad Astra Rocket Company™, and Miranda Chang, Ad Astra’s Global Communications Director for Part 1 of this two-part episode. (We’ll be posting Part 2 next Saturday!) As always, though, we start off with the day’s joyfully cool cosmic thing. Lucy, the robotic NASA mission to the asteroid

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34:32

Black Holes and Space Junk with Vivienne Baldassare

The LIUniverse with Dr. Charles Liu ·

2023/11/19

How do we find black holes? And how can we tell whether it’s a small black hole “eating” really fast or a large black hole that’s eating very slowly? To find out, Dr. Charles Liu and co-host Allen Liu welcome astrophysicist Dr. Vivienne Baldassare, a professor of astronomy and physics at Washington State University. As always, though, we start off with the day’s joyfully cool cosmic thing, the recently published composite photo of the X-ray Binary System in nearby starburst galaxy NGC_4214. Vivienne

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32:40

Final Frontiers with Jeyhan Kartaltepe

The LIUniverse with Dr. Charles Liu ·

2023/10/28

In this episode of The LIUniverse, Dr. Charles Liu and co-host Allen Liu welcome Dr. Jeyhan Kartaltepe, an astronomer and professor at the Rochester Institute of Technology, who studies galactic evolution, including galactic collisions and the growth of black holes, to explore final frontiers, both real and fictional. As always, though, we start off with the day’s joyfully cool cosmic thing, the first data drop from COSMOS-Web, a database of the deepest, coolest, largest field of deep space ever

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32:52

Star Treks, Star Wars, and Star Domes with Jenny...

The LIUniverse with Dr. Charles Liu ·

2023/10/14

Have you ever wondered what it would be like to be a science educator and work at a planetarium or science museum? Even better, to run one? To find out, Dr. Charles Liu and co-host Allen Liu welcome Elliot Severn, the Planetarium Director at Sacred Heart University’s Discovery Science Center and Planetarium, and Jenny Powers, the Director of the Springfield Science Museum. As always, though, we start off with the day’s joyfully cool cosmic thing that has just come down to Earth: the samples of the

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33:18

Stars vs. Planets with Dr. Tom Rice

The LIUniverse with Dr. Charles Liu ·

2023/09/30

How did our solar system get here? How did the Earth form? How commonly does that happen elsewhere, and how often do the conditions necessary for life come about? To find out, Dr. Charles Liu and co-host Allen Liu welcome Dr. Tom Rice, Astronomer-Educator and AAS staffer, who studies star and planet formations, how solar systems come together out of the “stuff that’s out there floating in our galaxy like gas and dust.” As always, though, we start off with the day’s joyfully cool cosmic thing, the

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01:01:13

New York Comic Con: The Science of Sci-Fi 2021

The LIUniverse with Dr. Charles Liu ·

2023/09/16

Why does Wakanda have no suburbs, and should we destroy them if it did? Is it ethical to become a cyborg, like in the Justice League? Can venom – the toxins or the Marvel character – save your life? In this 2021 New York Comic Con edition of “The LIUniverse,” Astronomer Dr. Charles Liu hosts venom researcher Dr. Mandë Holford and environmental expert Kendra Pierre-Louis for our panel “The Science of Science Fiction.” Speaking to a packed room (in a convention ‘plagued’ by empty panels and COVID-19

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32:50

Boston Fan Expo: The Science of Sci-Fi

The LIUniverse with Dr. Charles Liu ·

2023/09/02

How realistic is the human augmentation depicted in comic, games and movies? To find out, Dr. Charles Liu welcomes the CEO/founder of Neurobionics Dr. MJ Antonini, experimental psychologist Liam McMahon, and our own social media maven and comic/gaming uber-geek Sarah Cotten to the stage for our first-ever appearance at the Boston Fan Expo for a discussion about the science of science fiction, and most particularly, BRAINS! (NOTE: This panel took place during the 2023 writers strike, so our panelists

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25:52

Planet Formation with Dr. Holly Capelo

The LIUniverse with Dr. Charles Liu ·

2023/08/19

How do planets form out of dust particles? And what does that have to do with fluid dynamics? To find out, Dr. Charles Liu and co-host Allen Liu welcome astrophysicist Dr. Holly Capelo from the University of Bern in Switzerland. As always, though, we start off with the day’s joyfully cool cosmic thing, which takes us to the Observatory of Paris, where a group of scientists are delving into the formation of planetesimals. What are they, where do they come from, and when do they form? Holly dives

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31:18

The Birth of Planets with Aleksandra Kuznetsova

The LIUniverse with Dr. Charles Liu ·

2023/08/06

How do you go about building a planet? To find out, Dr. Charles Liu and co-host Allen Liu welcome computational astrophysicist Dr. Aleksandra Kuznetsova, a NHFP Sagan Postdoctoral Fellow at The American Museum of Natural History. As always, though, we start off with the day’s joyfully cool cosmic thing, the presence of both a mini-Neptune and an exo-Venus in the exoplanetary system GJ3929, each with very short orbits around their star. Aleksandra discusses planetary migration and how it’s possible

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30:18

Brown Dwarfs and Ballet with Johanna Vos

The LIUniverse with Dr. Charles Liu ·

2023/07/22

Brown dwarfs are often called failed stars, but today’s guest on the LIUniverse, astrophysicist Dr. Johanna Vos, prefers to think of them as overachieving planets. Dr. Charles Liu and co-host Allen Liu discuss with Johanna why brown dwarfs are so cool (pun intended!), and how their formation is something of a cosmic-scale anticlimax. Beginning with today’s joyfully cool cosmic thing, a pair of brown dwarfs orbiting each other more than a hundred times farther than the Earth is from the Sun, we’ll

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29:12

The Poetry of the Stars with Midge Goldberg and Yun...

The LIUniverse with Dr. Charles Liu ·

2023/07/08

Dr. Charles Liu and co-host Allen Liu continue our exploration into the poetry of the stars with Part 2 of our episode featuring poet/astronomer/cosmologist Dr. Yun Wang and poet/author Midge Goldberg, editor of “Outer Space: 100 Poems.” We pick up right where we left off in Part 1, with a discussion of standard candles and how Edwin Hubble used Cepheid Variable Stars to determine the distance to Andromeda – incorrectly, as Chuck explains. We then find out that Yun is working on not one, but two

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