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StarTalk Podcast: Neil deGrasse Tyson on Avengers: Endgame

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  • StarTalk Podcast: Cosmic Queries – The Random Edition, with Neil deGrasse Tyson

    51:57

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    It’s time for another episode of Cosmic Queries, where your own personal astrophysicist Neil deGrasse Tyson answers, sight unseen, fan submitted questions chosen by his co-host. This week, Chuck Nice asks Neil questions on a wide variety of topics that we couldn’t answer in other episodes, from alien plant life, to colonizing Mars, to whether velocity could be considered a dimension.

    You’ll find out if the constellations would look different from Saturn, whether there’s a north pole to our universe, and why astronomers got the Mily Way’s north pole wrong in the first place. Discover why a stable black hole can’t exist inside a star, and how the expansion of our Sun will affect the Earth. You’ll learn how scientists knew to leave gaps in the periodic table of the elements, and why the moon is spiraling away from the Earth at 5 inches a year. Neil speculates on what the bright spot on the dwarf planet Ceres might be, whether we’ll explore Jupiter’s moon Europa in our lifetimes, and if we’ll find life in its subsurface ocean.

    You’ll also hear how NASA inventions led to grooved highway pavement and safer, cheaper LASIK surgery. On the lighter side, Neil and Chuck talk about Neil’s famous vests, the Ship of the Imagination from COSMOS: A Spacetime Odyssey, YouTube’s famous “Double Rainbow Guy,” and the wrestling move Neil always wanted to invent which he calls the “Double Tidal Lock.”

    This episode originally aired on August 26, 2016.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeilDeGrasseTyson #CosmicQueries

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  • StarTalk Podcast: Cosmic Queries – The Multiverse with Neil deGrasse Tyson | Full Episode

    50:29

    Itching to know more about the multiverse? You’re not alone! Join us when Neil deGrasse Tyson and Princeton theoretical physicist Paul Steinhardt answer fan-submitted questions about cosmology chosen by co-host Chuck Nice.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

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  • StarTalk Podcast: Cosmic Queries – Black Holes and Dark Energy, with Neil deGrasse Tyson

    54:17

    On this episode of StarTalk Radio, we bring you the classic StarTalk formula that you’ve come to know and love. Neil deGrasse Tyson and comic co-host Chuck Nice answer fan-submitted Cosmic Queries on the mysteries of the universe, specifically, black holes and dark energy.

    We start with a simple question: are we sure there’s a black hole at the center of the galaxy? Neil teaches us the methods we use to measure black holes. He also reminds us of the Copernican principle. You’ll learn why the more massive the galaxy, the more massive the black hole at its center. Neil and Chuck reminisce on the movie Marooned. Discover more about electron degeneracy, neutron stars, and pulsars.

    You’ll hear if it’s possible for a black hole to re-ignite into a star once it loses enough mass through Hawking radiation. Chuck has an idea for a science fiction film about a killer black hole until Neil squashes it with some Star Trek trivia. We explore whether a black hole can warp spacetime around it. You’ll learn what happens to the gravitational well of a star if the star comes across a black hole. And, of course, it wouldn’t be a show about black holes if we didn’t talk about the movie Interstellar.

    We ponder if “Planet 9” could be a black hole. If the Earth turned into a black hole would it still orbit the sun? The answer may surprise you. We investigate what might be at the center of a supercluster. Then, we dive into dark energy. Neil explains why dark energy is still mysterious. You’ll also learn more about the Albedo effect and the Doppler shift. All that, plus, you’ll find out if dark energy has an impact on your everyday life.

    This episode originally aired February 24, 2020.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries – Edge of the Universe with Neil deGrasse Tyson and Janna Levin

    53:26

    What’s beyond the edge of the universe? Is there even an edge at all? On this episode of StarTalk Radio, Neil deGrasse Tyson answers your fan-submitted questions about the mysteries, wonders, and theories that exist on the bleeding edge of cosmology. But in order to explore the true depths of the unknown we need to bring in a little extra help – enter astrophysicist Janna Levin, PhD.

    We start with the basics: is the universe infinite? Janna tells us why we’re still uncertain. We explore the idea of the multiverse and the idea of our universe never having an “edge.” Could those distant galaxies we see be our own galaxy in the past? As if that’s not mind-bending enough, we haven’t even gotten to the dimensionality questions yet.

    Find out more about other possible dimensions. We discuss why it’s so difficult to detect other dimensions, if they’re even there in the first place. Janna and Neil help us visualize a 4th dimension. You’ll hear why adding another dimension might provide too much freedom for molecules to bind together and create macroscopic things. We also explore the idea that our three dimensions are glued to a membrane that’s floating in a higher dimensional space. We reflect on Monsters, Inc. and how the film plays with moving through different dimensions.

    Discover more about the shape of our universe. Could it be in the shape of a loop? We break down the Big Bang and the birth of the universe. Find out more about dark matter, dark energy, and if they’re two sides of the same coin. Janna explains why dark energy should be thought of as an invisible ocean. Investigate the “information” that lies on the surface of a black hole. We track Voyager 2’s journey into interstellar space and what that means for us back on Earth. All that, plus, Janna shares why she thinks the study of dark matter and dark energy are the most important fields of study in science today.

    This episode originally aired December 6, 2019.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

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  • StarTalk Podcast: Cosmic Queries – Life on Venus, with Neil deGrasse Tyson

    47:54

    Is there life on Venus? Neil deGrasse Tyson, comic co-host Paul Mecurio, and astrobiologist David Grinspoon investigate the recent discovery of phosphine gas in Venus’s atmosphere and answer your Cosmic Queries.

    We gathered up all your Cosmic Queries about the recent news and we start with the big question: Does this mean there’s life on Venus? Could there be a habitable zone? David tells us why the answer is…maybe. We explore the discovery of the phosphine gas and the possible explanations behind its existence in Venus’s atmosphere.

    You’ll explore what’s next after a discovery like this. Can we bring samples back to Earth? David gives details on the complexity of a mission to the Venusian atmosphere. We also explore Venus’s volcanoes and its geologically-active surface. David explains why, if we want to know what’s going on in the atmosphere, we have to know what’s happening on the surface.

    Then, we take a look at Earth: Can we use Earth to help us deduce what’s happening on Venus? We ponder the best way to search for life in the universe. We also ponder whether life needs water to thrive or if life just needs liquid. David gives us the top three gases that could be used to signify life elsewhere.

    Find out why Venus’s atmosphere is so thick. We discuss Venus’s runaway greenhouse effect and the viscous circle of its carbon cycle. We also wonder if a probe from Earth might have introduced microbes to Venus’s atmosphere. All that, plus, we ask the very important question: Is the Wicked Witch of the West actually from Venus?

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Neil deGrasse Tyson Has a Conversation with Jordan Klepper

    48:54

    On this episode of StarTalk Radio, Neil deGrasse Tyson sits down with comedian, political satirist, and host Jordan Klepper. Jordan got his start on The Daily Show and is the current host of his new show Klepper. Klepper is a docuseries that takes you to the front lines of activism, whether that puts Jordan in a capsized boat with environmental protesters in a Louisiana bayou or waiting to post bail at the Fulton County Jail in Georgia.

    You’ll learn about Jordan’s upbringing in Kalamazoo, Michigan in the “shadow” of Derek Jeter. Jordan tells us about his roots in mathematics and how he went to school at the “nerd farm,” and he explains how having a math background allowed him to be an analytical thinker in the comedy world.

    Discover more about Jordan’s new show. He takes us inside the process of how he and his team try to come up with a formula to make disturbing topics educational and funny – while also shining a light on people taking action. Jordan shares how he got arrested while filming and how that led to the perfect poster for the show.

    Next, we dive into space exploration and the episode of Klepper that investigated the future of the American space program. Find out about Jordan’s space geekiness. He tells us how he got super into The Right Stuff and wouldn’t shut up about it for months. You’ll also hear what is was like for him to get drinks with Scott Kelly at an astronaut bar.

    We ponder if the audacity of our current administration is exactly what we need in order to ignite another Moon shot or Mars shot. Get details on Jordan’s visit to HI-SEAS, the Martian simulation station in Hawaii, as well as his time spent at Space Camp. Lastly, Neil and Jordan debate whether monetization, or even a lottery system, will play a key role in future space exploration. All that, plus, Jordan explains why training to be an astronaut is similar to being in an improv troupe.

    This episode originally aired June 21, 2019.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson #JordanKlepper

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  • StarTalk Podcast: Our Galaxy And Beyond, with Neil deGrasse Tyson

    49:04

    Join Neil deGrasse Tyson and comic co-host Sarah Rose Siskind as they answer fan-submitted Cosmic Queries about our collision course with the Andromeda galaxy, how the Big Bang got its name, the Cosmic Microwave Background radiation, dark matter, and much more.

    This episode originally aired on StarTalk Radio on July 27, 2018.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson #Galaxy

  • StarTalk Podcast: Cosmic Queries – Comet NEOWISE with Neil deGrasse Tyson

    52:49

    If you were lucky enough this past July, you might have caught a glimpse of Comet NEOWISE before it left Earth’s view. If not, don’t worry, we’ve got you covered. On this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Negin Farsad are answering fan-submitted Cosmic Queries about Comet NEOWISE and more with cosmochemist and author Natalie Starkey, PhD.

    First discovered in March this year, you’ll learn a little background about NEOWISE. Where did it come from? Can we be sure that it came from our solar system? Natalie tells us why speed can be a strong signifier of where a comet is coming from. You’ll learn what it means to be a “long-period” comet. You’ll also learn why comets have elongated orbits instead of circular orbits.

    Next, Neil gives us some history on the Oort Cloud. We take a look at how NEOWISE got its name and the naming process of scientific objects. Neil also shares some interesting information about Halley’s Comet that you might not know.

    Natalie tells us what unanswered question about comets she most wants to see answered. We ponder whether comets and/or asteroids could have delivered the building blocks of life to Earth. Explore amino acids on comets and in space. Would we find amino acids on NEOWISE? Examine the possibilities of Earth having “interstellar water.” And, you’ll also investigate if we can harvest water from comets to solve water crisis and famine here on Earth.

    We discuss how different chemical compositions change the color of comets. You’ll hear why a comet’s “tail” can be a misnomer. Lastly, find out what it means for a comet to be “dead.” All that, plus, Natalie takes us through the scene of two comets colliding with each other and we debate if a probe could hitch a ride on a comet to a world beyond.

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    About the prints that flank Neil in this video:
    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver

    Comet NEOWISE captured by NASA’s Parker Solar Probe. Image Credits: NASA/Johns Hopkins APL/Naval Research Lab/Parker Solar Probe/Brendan Gallagher

    About StarTalk:
    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries – The Space Race with Neil deGrasse Tyson

    48:06

    What did politics and the Cold War have to do with the space race? On the flip side, how did the Apollo program and landing on the Moon impact us here on Earth? Neil deGrasse Tyson answers fan-submitted questions chosen by co-host Chuck Nice.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

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  • Born to Run Farther with Dr. Irene Davis and Chris McDougall

    55:03

    Why do humans have butt cheeks? On this episode, Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly learn about the biomechanics of running with professor and running specialist Dr. Irene Davis, featuring Neil’s interview with Born to Run author, Chris McDougall.

    Are we living the lives our bodies have adapted us to lead? We discuss the “mismatch theory of evolution” and the biological markers that enable us to become good runners. If our feet have adapted for running does that mean they’re perfect? But aren’t we slower than most of the animal kingdom? We break down the history of running shoes and how they impact our performance and injuries.

    You’ll learn about barefoot running, ancient and modern. Are we trying to retrofit evolution? Find out about Neil’s father’s running career and what the proper running form looks like. Are you a heel-striker? Discover how our bodies differ from one another, and the motions that can cause injury. What do a Greek urn and the Boston Dynamic robot, Atlas, have in common?

    Are we in the pocket of Big Shoe? We talk about running shoe addiction and how we can get out of it without getting “sensory input” all over our feet. Can people with fallen arches change their feet? Can a shoe really make people faster? What about those weird toe shoes? How can lessons from running help us in other places? All that, plus, Neil’s convex feet and whether we are trying to out-engineer the human body!

    Thanks to our Patrons Stephan Hoffmann Arvidsson, Louis Palen, Kara Young,
    Nick Skibicki, Jennifer Magnus, Ceasar Perez, Cameron Bishop,
    dniel, Pouneh Golabian, and Coleman for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

    About the prints that flank Neil in this video:
    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver.


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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries – Cosmic Conundrums with Neil deGrasse Tyson

    41:55

    On this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Chuck Nice are answering your fan-submitted questions on everything from discovering extraterrestrial life to traveling through dimensions. Anything that you’ve cosmically wondered about, we are ready to answer.

    To start, Neil and Chuck ponder where they would pilot the USS Enterprise if they were sitting in the Captain’s chair. You’ll learn why Neil would take a tour of his own “backyard” before setting off anywhere else. We investigate how time works as you move closer and further from the edge of the universe. Neil tells us how to kill a black hole, and the answer may surprise you.

    We discuss dark matter. You’ll hear why dark matter should really be called dark gravity. You’ll explore how we study dark matter even though it doesn’t interact electromagnetically. Then, we investigate the Higgs boson, the Higgs field, and the Large Hadron Collider. Neil shares a helpful metaphor to understand the Higgs boson that involves a Hollywood party, Chuck, and Beyoncé.

    Neil and Chuck debate which is more likely to happen – extraterrestrial contact or the ability to travel through the dimensions. You’ll learn more about higher dimensions and how they interact with the reality of other dimensions. We investigate the possibility of complex organisms existing in the liquid masses of our solar system, like on Enceladus or Europa. Neil gives us a lesson in thermodynamics in order to explain how life survives.

    Lastly, you’ll explore Low Earth orbit. Discover why people who live along the equator would weigh less than people living elsewhere. All that, plus, Neil explains how fast the Earth would have to be rotating for you to float.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    Originally aired May 4, 2020

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  • StarTalk Podcast: Physics All Around Us, with Neil deGrasse Tyson

    49:22

    Did you know there are physics at work all around us? Join your personal astrophysicist Neil deGrasse Tyson and comic co-host Chuck Nice as they answer fan-submitted questions on the physics of life, big and small.

    This episode originally aired on StarTalk Radio on April 12, 2019.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries - Out There with Neil deGrasse Tyson

    50:54

    Neil deGrasse Tyson, co-host Harrison Greenbaum, and astrophysicist Janna Levin answer questions on the far away and the far out, including Andromeda's impending collision with the Milky Way, white holes, a holographic universe, and more. Prepare to get trippy!

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson #Science

  • StarTalk Podcast: Cosmic Queries – Volcanoes, with Neil deGrasse Tyson

    47:42

    Is the super volcano under Yellowstone going to erupt? What’s the difference between lava and magma? Neil deGrasse Tyson, comic co-host Chuck Nice, and volcanologist Janine Krippner, PhD, answer fan-submitted questions about volcanoes.

    How many active volcanoes are in the world right now? Janine tells us about the Smithsonian Institution’s Global Volcanism Program which keeps tabs on all the active volcanoes in the world. Find out how the Ice Age wiped the volcanic record clean. You’ll learn the difference between magma and lava. Janine tells us what’s really going on with the super volcano underneath Yellowstone National Park. You’ll find out why Janine isn’t a fan of the term “super volcano.”

    We take it back to the basics: why do volcanoes explode? We explore why eruptions are important, and, why volcanoes play an important role in our ecosystems. We discuss how volcanoes contribute to climate change – and how they pale in comparison to human activity.

    Discover more about the different types of eruptions. We ponder whether proximity to geological activity enhances people’s desire to study it. Janine shares why robots won’t be taking the jobs of volcanologists any time soon. You’ll hear about lava – if it moves so slowly, how is it so destructive? You’ll also learn about “pyroclastic flow.”

    Lastly, we investigate how many dormant volcanoes have the potential to cause mass devastation on Earth. Janine shares why there’s uncertainty around predicting eruptions. Is society ready for a massive eruption? All that, plus, Janine tells us what volcanoes can teach us about the inside of our planet.

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    About the prints that flank Neil in this video:
    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver

    About StarTalk:
    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries – Planets and Stuff with Neil deGrasse Tyson

    51:37

    On this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Paul Mecurio ( answer your Cosmic Queries on planets and more from the YouTube Studios in New York City.

    We start with one of the most inciting questions: if we had an ocean or bath tub large enough, would Saturn float? Neil tells us about the interplanetary workings of Saturn and why a “piece” of Saturn would float in a puddle of water. You’ll hear why Saturn’s rings might only be temporary. We discuss the density of water and the science of building boats. Discover more about the Titanic and the density of ice.

    Then, we explore the world of neuroscience. Neil tells us why he loves tracking the progress of modern-day neuroscience. We ponder if eventually psychologists will be replaced by simple brain adjustments once we can locate what parts of the brain cause certain emotions and behaviors. Find out the history behind the phrase “we only use 10% of our brains” and how it’s been flipped from the original statement.

    We discuss if Jupiter is a failed star. Find out what our solar system would be like if we were a two-star system. Learn more about thermonuclear fusion. We dip into tidal science and investigate tidal bulges, the Moon’s relationship with the tides, and we explain why we’re actually traveling “through” low tide and high tide. All that, plus, Neil shares why putting humans on the Moon was the valuable cosmic perspective we’ve encountered yet.

    Recorded at YouTube Space NY.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson #CosmicQueries

  • StarTalk Podcast: Cosmic Queries – Black Holes & Dark Energy with Neil deGrasse Tyson, Part II

    48:02

    On this episode of StarTalk Radio, we bring you Part II of Cosmic Queries – Black Holes and Dark Energy. Neil deGrasse Tyson and comic co-host Chuck Nice are answering fan-submitted questions about what we know, and don’t know, about black holes and dark energy.

    You’ll hear why a black hole’s consumption of matter does not overpower the evaporation caused by Hawking radiation. Neil tells us what’s actually “evaporating” during Hawking radiation. He also tells us two remarkable facts about black holes that are sure to blow your mind.

    We discuss how a spy satellite accidently opened a new branch of astrophysics. Find out more about singularities. We investigate the singularity at the beginning of our universe and Neil explains when string theory needs to be brought to the table. Chuck shares how his son coined the word “ringularity.” We assess the possibility of black holes being used as an intergalactic highway system to connect one galaxy to the next.

    Find out more about “white holes.” Discover more about supermassive black holes. We explore the nature of photons: how they can be pulled into black holes if they’re massless and why they travel along the fabric of spacetime. Adventure back in time to Sir Arthur Eddington’s expedition to uncover how light bends around the sun.

    We ponder if dark energy and dark matter are “stuff” permeating from another universe into our own. Discover why light is trapped in our galaxy but gravity isn’t. We discuss the likelihood that intelligent life is more advanced than us. Lastly, Neil shares final thoughts on the delicate evolution of the tree of life.

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    About StarTalk:
    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    Originally aired March 2, 2020.

    #StarTalk #NeildeGrasseTyson

  • StarTalk @ NY Comic Con: It’s About Time!

    1:9:26

    Time is of the essence! Or, is it? Is time travel possible? Can we change the past? On this episode of StarTalk Radio, Neil deGrasse Tyson explores the wibbly wobbly, timey wimey nature of time itself with theoretical physicist Brian Greene, comic co-host Chuck Nice, and Impractical Joker James “Murr” Murray (@thetenderloins).

    Join us on a pop culture adventure, from the TARDIS of Doctor Who, to the shrinking capabilities of Ant Man and the Wasp, to the Upside Down parallel universe of Stranger Things. Explore if the laws of physics allow time travel to be possible. You’ll learn how the physics of time travel differs depending on whether you’re going into the future or the past. We discuss wormholes and what happens when you place a wormhole next to a black hole.

    Find out about the “chronology projection conjecture,” a concept first introduced by Steven Hawking. Ponder the logic paradox that occurs when you travel into the past. You’ll find out if other species process time similar to the way humans do. We also venture into the fourth dimension as we explore the TARDIS and it’s capabilities.

    Next, we move from time travel to the Quantum Realm as we discuss the shrinking science of Ant Man and the Wasp. You’ll learn what the laws of physics say about shrinking. Discover more about the empty space inside atoms. Investigate “molecular disequilibrium,” quantum entanglement, and what Einstein called the “spooky action.”

    Neil gives praise to the movie A Bug’s Life on its ability to represent the microscopic (besides the obvious error in ant anatomy).

    Lastly, we take a trip to the Upside Down as we investigate parallel universes. Find out more about string theory and the “brane” idea. Explore the idea of a “gravity phone” used to send out vibrations in space time rather than vibrations through air. Unlock the possibilities of the Many-Worlds interpretation of quantum mechanics and learn more about the “order of infinites.” All that, plus Neil offers an emotional, poignant happy birthday message to his birthday buddy, NASA.

    This was recorded at NYCC 2018.

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    About StarTalk:
    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #NYCC #DoctorWho #StrangerThings

  • Things You Thought You Knew with Neil deGrasse Tyson

    48:42

    Mass? Weight? Density? There are some things you thought you knew and on this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Chuck Nice are here to investigate what we know and what we thought we knew.

    We start with mass, weight, and density. If you’re trying to get in shape you need to lose weight, right? Neil deGrasse Tyson says wrong. Neil tells us why when you want to get in shape, you need to lose mass. You’ll learn why a weight-loss book written by a physicist would just be one sentence. We explore the difference between mass and weight and why weight is all about forces. Find out why heavy cream is lighter than skim milk. We explore how the hull of a ship keeps the ship buoyant. All that, plus, Neil explains why, if you want to lose weight quickly, just head to the Moon and hop on a scale.

    Then, we move on to another seemingly simple question: Why does ice float? Neil explains why peculiar things happen to water when it changes state. We explore what happens when water freezes. Chuck gives a demonstration of why you usually see 10% of ice above water. You’ll learn why the arctic ice sheets float on the water. And, why the ice we need to worry about is the ice on land and the “runoff.” We discuss the power of freezing ice (which leads to bursting pipes). Find out more about the density of water. What if bodies of water froze from the bottom up? Neil tells us how a certain property of water protects aquatic life over the winter.

    Lastly, we turn our attention to space. How much do you weigh in space? Neil tells us why we should be thinking about how much mass something contains instead of how much something weighs. You’ll learn why your weight in water is basically zero. Why are astronauts weightless in space? Neil explains how Sir Isaac Newton discovered orbits. Find out why most energy from a rocket launch is not used to get the rocket into space. All that, plus, we explore the science of Ad Astra, The Expanse, and 2001: A Space Odyssey.

    Thanks to our Patrons Christopher Sukhanenya, Dmitry Pugachevich, Eugenio Barrera, Dakota Clifford, Nick Mancusi, Nicholas Musial, Sebastian Roser, Bryan J. Jacop, Robert Frasco, and Obumneme Ozoh for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

    About the prints that flank Neil in this video:
    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Celebrating Einstein, with Neil deGrasse Tyson

    35:40

    Join Neil deGrasse Tyson, comic co-host Chuck Nice, and astrophysicist Janna Levin as they celebrate the life and achievements of Albert Einstein and his impact on the scientific world around us including the detection of gravitational waves at LIGO.

    Albert Einstein's birthday is on March 14, also known as Pi day.

    Host:
    Neil deGrasse Tyson
    Astrophysicist

    Co-Host:
    Chuck Nice
    Comedian

    Guests:
    Janna Levin
    Astrophysicist & Author, Black Hole Blues and Other Songs from Outer Space, Director of Sciences at Pioneer Works

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    #AlbertEinstein #Einstein #GravitationalWaves

  • StarTalk Podcast: Cosmic Queries – Cosmic Cauldron, with Neil deGrasse Tyson and Chuck Nice

    45:55

    On this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Chuck Nice are back together to answer a cosmic cauldron of Cosmic Queries. From dark matter, to 2001: A Space Odyssey, to the size of the universe, we are answering as many fan-submitted questions as we can.

    To start, we investigate whether there’s any hypotheses that connect dark matter and black holes. We dive into science fiction as Neil and Chuck discuss their favorite depictions of aliens in film and television. We explore the lack of aliens in 2001: A Space Odyssey and Contact, why Neil’s favorite movie alien is The Blob, and why Chuck loves Alien. And, Neil and Chuck debate what space-themed tattoo they would get if they ever got one.

    Discover more about the possibility of a multiverse. We explore the “levels” of a multiverse. Then, we ponder if the universe is finite or infinite. Neil explains why the mash-up of quantum physics and general relativity can create exciting possibilities. You’ll learn about the influence space travel has on age. We also ponder if time travelers are hiding among us. Find out who Neil would want to meet if he could time travel. Then, we dive into the logistics of time travel and “causal loops.”

    You’ll hear about the mechanisms at work that help assist with Earth’s gravity. Then we ask, “Does light ever stop moving?” Neil tells us how we can use high-speed cameras to see light interact with a medium. Lastly, we discuss what technology an advanced alien civilization might have at their will. All that, plus, Neil and Chuck share their thoughts on how you’d be received if you traveled back in time and showed the people of the past your smartphone.

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    About the prints that flank Neil in this video:
    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver

    About StarTalk:
    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

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  • Launching the Inspiration4 with Neil deGrasse Tyson, Chris Mason, & Sian Proctor – Cosmic Queries

    42:20

    What did we learn from the first all civilian mission into orbit? Neil deGrasse Tyson and comic co-host Chuck Nice explore SpaceX’s recent launch, the Inspiration4, with biophysicist Dr. Chris Mason and geoscientist and pilot Dr. Sian Proctor.

    Can the human body adapt to space? We discuss how humans respond to spaceflight, the biomes found within a spacecraft, and microbes in space. What happens when we only send the same kid of people up into space? What does a geoscientist think when she looks out the spacecraft window? What does it mean to be classified as civilians? We ask Chris what he is looking for in his tests. What do spaceflight and roller derby have in common?

    What do you pack when you go to space? We break down the perseverance it takes to get to space and what sort of setbacks Sian saw on her way. We answer more questions like, how does zero G affect perfusion ratios in the lungs? Are there consequences? Do people in space really become taller? Is there a way to make this permanent? Discover the hardiness of bacteria in space and concerns about microbes from other planets. Could we contaminate the Earth with some Martian microbe? As space becomes more accessible is there a difference in training?

    What changed about Sian after seeing Earth from space? Find out about Neil’s experience in a centrifuge. What did the Inspiration4 team eat in space? Are there long-term effects of being away from Earth’s magnetic field? How do you operate a Crew Dragon capsule? All that, plus, find out our wishlist for future space stations: What would you want to have in space?

    Thanks to our Patrons Arlindo Anderson, Miranda Toth, Dino Vidić, Nala Andromeda, Erik Varga, JohnMettler, and Aaron Rikede Ahlman for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

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    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries - Across the Universe with Neil deGrasse Tyson

    50:47

    On this episode of StarTalk Radio, your personal astrophysicist Neil deGrasse Tyson is back alongside comic co-host Chuck Nice to answer fan-submitted questions on a variety of topics that take us across the universe and into the unknown. You’ll find out why the universe will ultimately die “not with a bang, but with a whimper. And not in fire, but in ice.” Explore the relationship between time and space as we ponder the fabric of spacetime. You’ll even hear about the possibilities of a universe inside of another universe.

    Discover more about the concept of the holographic universe. We investigate electron microscopes and why they let us see more than light-based microscopes. You’ll also learn why matter is waves and particles. You’ll find out more about moving around in zero gravity and how you could propel a wheelchair while floating in space.

    Explore Hawking radiation. You’ll learn more about gravitational redshifts. We calculate the impact of merging black holes. We also discuss time dilation: do electromagnetic signals get warped by time dilation? Neil explains the Fermi paradox and “The Great Filter.” We ponder if the urge to explore the universe is the same urge that might destroy us.

    We try and work out a design that would make solar panels and lasers work together for wireless energy transfer. Get details why the future imagined by the 1950s-60s has been reshaped by the accessibility of information. All that, plus, Neil advocates for common core math and the importance of asking the right questions.

    This episode originally aired on March 1, 2019.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #BlackHoles #Science #StarTalk

  • StarTalk Podcast: Cosmic Queries – Summer School with Neil deGrasse Tyson

    48:58

    The sun is out, the weather is warm, and summer school is in session! Neil deGrasse Tyson, co-host Matt Kirshen, and astrophysicist Charles Liu answer fan-submitted questions on mathematics, the Big Bang, the laws of physics, neutrinos, relativity, Pluto, the smell of the Milky Way, and more.

    This episode originally aired as a podcast on July 12, 2019.

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    #StarTalk #NeildeGrasseTyson #astrophysics

  • StarTalk Podcast: Cosmic Queries – New Year

    46:11

    Happy 2021! On this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Chuck Nice are looking at the year ahead, reminiscing on the year past, and answering fan-submitted Cosmic Queries.

    Before we get into questions, Neil and Chuck chat about the turbulent year that was 2020. We explore other turbulent times in history including 1968 and World War II. Neil tells us why he thinks NASA saved 1968 with Apollo 8. We look back on 2020’s total solar eclipse and The Great Conjunction. Neil explains why humanity’s handling of COVID-19 was a testing ground for an actual alien invasion.

    Then, we dive into some questions! Can a light particle travel through space unhindered? Does it travel forever? You’ll find out why, in our universe, the answer is no, but, in an alternate universe that’s static, the answer is yes. Discover more about the speed of light. What if the speed of light was different? Neil tells us why, if the speed of light was different, everything would change.

    You’ll hear the advantages and disadvantages of living on or near a gas giant. We explore Jupiter’s moons Europa and Io. Could we live on these moons? Could we live on Jupiter or Saturn? All that, plus, take a peak behind-the-scenes when a fan asks Neil how StarTalk originally started and how we ended up where we are today.

    Thanks to our Patrons Cristina Magistrali, Toren Wallengren, Eric Huffman, Z. Reese Downing, Sondra Ballegeer, Chris Ziegenhagel, Matthew H Cooper, Jonathan R. Brown, Yakov Goldberg, and Michael Blevins for supporting us this week.

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    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver

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  • StarTalk Podcast: Cosmic Queries – Sharks, with Neil deGrasse Tyson & Jordan Klepper

    53:35

    On this episode of StarTalk Radio, Neil deGrasse Tyson and comic co-host Jordan Klepper are together again to answer fan-submitted Cosmic Queries about sharks. Since both Neil and Jordan are self-proclaimed non-experts on sharks, they’re joined by shark scientist Jasmin Graham. Jasmin is also a project coordinator at the Marine Science Laboratory Alliance Center of Excellence and a co-founder of Minorities in Shark Science.

    You’ll learn how climate change impacts sharks. Jasmin explains how different species will have to deal with different issues that arise from climate change. Discover more about the size of sharks and why most sharks aren’t the size of the great white sharks you see in popular culture. We investigate the megalodon. Could there still be megalodons roaming the ocean deep? Jasmin helps us poke holes in all megalodon theories. You’ll hear how the evolution of whales helps us understand the extinction of the megalodon.

    Discover more about sharks’ intelligence. Have they reached a plateau? Will they be able to adapt to climate change? We dive into the “science” of the Sharknado film series. Neil reminisces on his star turn in The Last Sharknado: It’s About Time.

    You’ll find out what innovations we can originally stemmed from shark research. Jasmin explains how sharks have influenced skin care products and the engineering of underwater vehicles. You’ll also find out what we’re doing for shark conservation. And, Jasmin enlightens us on the similarities between dolphins and sharks, even though they seem wildly different in the public eye.

    Discover more about baby sharks and the absence of parental care. You’ll hear how noise pollution has influenced shark behavior. We also look at how the moon influences shark behavior. Lastly, we explore the phrase, “sharks can smell blood in the water.” All that, plus, Jasmin tells us if Greenland sharks really live to be 500 years old.

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    About the prints that flank Neil in this video:
    Black Swan” & White Swan limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver

    About StarTalk:
    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries – Multiverse Madness with Max Tegmark

    49:00

    Do we live in one of many universes? On this episode of StarTalk, Neil deGrasse Tyson and comic co-host Chuck Nice investigate the theory of the multiverse with physicist and author, Prof. Max Tegmark.

    To start, we dive into the different theories and levels of the multiverse and how they differ from each other. What do people even mean when they say multiverse? Is it just more unidentifiable parts of space or whole parallel universes? You’ll learn about inflation theory and quantum multiverses. We ponder whether there may be an Evil Chuck out there lurking in some other universe?

    Discover the idea behind infinite infinities. What does it mean for one infinity to be bigger than another infinity? We explore Einstein’s theory of general relativity and how it relates to infinity. Can you have infinite infinities within a finite universe? Could parallel universes exist within a multiverse? We investigate our definition of the universe and if there could be more space beyond it.

    How does the multiverse affect our universe? Is there any observational evidence to suggest it actually exists? Does dark energy have anything to do with it? We get into how to test seemingly untestable theories and how exploring these holes in our knowledge gave us quantum mechanics. You’ll also learn how a multiverse would even begin and what might exist between universes. Find out about Hilbert space and decoherence. Would Evil Chuck know about our own Good Chuck? Many more questions answered on another episode of StarTalk!

    Thanks to our Patrons Eric Colombel, David Johnston, Tracy Fox, Jason Sills, Anderson Clark, Andrew Kranz, Kyle Marston, Alex Lopes, Zach Jerrells, and Rob Tadje for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

    About the prints that flank Neil in this video:

    “Black Swan” & “White Swan” limited edition serigraph prints by Coast Salish artist Jane Kwatleematt Marston. For more information about this artist and her work, visit Inuit Gallery of Vancouver.

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    #StarTalk #NeildeGrasseTyson

  • StarTalk Podcast: Cosmic Queries – World Space Week with Neil deGrasse Tyson

    49:16

    Check out Charles Liu’s book:

    On this episode of StarTalk Radio, we celebrate World Space Week! The annual event has been celebrating the “contributions of space science and technology to the betterment of the human condition” since its ratification by the United Nations in 1999. This year is no different except for the fact that our own Neil deGrasse Tyson, comic co-host Matt Kirshen, and astrophysicist and StarTalk geek-in-chief Charles Liu, PhD, are joining the celebration by answering your fan-submitted Cosmic Queries on a variety of cosmic topics!

    Explore the possibilities of higher dimensions in our universe. We investigate certain theories that allow for “compactified dimensions.” We also discuss Edwin Abbott’s iconic book, Flatland, and ponder how to explain a third dimension to someone in a two-dimensional universe. Next, we raise our sights to asteroids. What are the most common metals found on asteroids and how do mine them? Neil explains why, even if there is an abundance of curiosity, money is still always the driving factor.

    You’ll hear about the state of solar energy. Find out the real costs inherent in the solar marketplace. Charles sheds light (pun intended) on the difficulties of switching from old technology to new technology. We harken back to the rapid switch from horses to cars and debate why the switch from fossil fuels to renewable resources has taken so much longer.

    Discover more about speed of light travel: how you would protect those traveling in a vehicle at the speed of light, how The Flash is able to travel at the speed of light, and why it’s possible that you might not even be you at the speed of light. You’ll also hear about terraforming Mars and why the lack of atmosphere presents a big problem. Learn why it’s beneficial to put space telescopes on the far side of the Moon. Our trio weighs in on who will lead humanity’s journey through space? Governments, the private sector, or a combination of both? All that, plus, we discuss how to market space travel to those who find it unnecessary or extravagant.

    This episode originally aired on October 4, 2019.

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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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    #StarTalk #NeildeGrasseTyson #Mars

  • StarTalk Podcast: Cosmic Queries – Origins of the Universe with Janna Levin

    48:54

    How did the universe get to be this way? On this episode of StarTalk, Neil DeGrasse Tyson and comic co-host Chuck Nice unveil some of the subjects covered in the new StarTalk book named after our recurring segment Cosmic Queries. Theoretical cosmologist and Director of Sciences at Pioneer Works, Janna Levin, helps us break down the building blocks of the universe and how it started.

    To start things off, you’ll learn what the galaxy is made of, both objects we can see and things we cannot. We take a deep, dark dive into dark matter. How much dark matter is there? Are neutrinos a form of dark matter? Has there always been the same amount of matter and dark matter? Could there be a universe with dark matter that is parallel to ours? Find out why someday dark energy will win over the universe. We discuss why theorizing something undetectable and even unprovable may still be a scientific question.

    To kick-off questions from our patrons, we explore the Large Hadron Collider (LHC). What has it enabled us to discover? What has it not discovered yet? Could the LHC make a black hole? You’ll learn about the discovery of the Higgs particle and other elusive objects. We dive into the scientific method physicists use in predicting theories and what physicists really want.

    We also explain string theory and the harmonics of subatomic particles, and how there “can’t be nothing.” Learn why nothing isn’t as empty as you imagine and how spacetime is malleable. Is everything in the universe just a point on a string? Discover all that and more, including how quantum mechanics create spacetime, on another exciting episode!

    Thanks to our Patrons Sunny Day, Shain Dholakiya, Penny Joy, Ben Miller, Eric Lamont, Fernando Sepulveda, Caleb Nolan, Beverly Bellows, Pedro, and Chris Mank for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

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    #StarTalk #NeildeGrasseTyson

  • Space Volcanoes with Neil deGrasse Tyson and Natalie Starkey – Cosmic Queries

    55:41

    What’s a supervolcano? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen discover all types of volcanoes in the solar system with cosmochemist and author of Fire and Ice: The Volcanoes of the Solar System, Natalie Starkey. Is there such a thing as an ice volcano?

    What types of volcanoes are present in our solar system? We discuss the volcanic activity on our neighbors, Mars and Venus. How did these planets end up so different from Earth? You’ll learn about probes being sent to Venus, cryovolcanoes, and the Voyager Mission. Are other planets’ moons cooler than ours? Are ice volcanoes actually more common than our own fiery ones?

    What even is a volcano? Find out how different volcanoes in the solar system work. Could there be fish getting spewed into the E Ring of Saturn? Is there life on Enceladus or Io? We break down the difference between magma and lava and what process it goes through to erupt. Should we be worried about supervolcanoes on our own planet? Is the volcanic caldera under Yellowstone really “due”? What determines the size of a volcano? How did Mars’s Olympus Mons get so big? Is there a reason we don’t have an Olympus Mons on Earth?

    Is there plate tectonics on Mars? Does volcanic activity cool the Earth’s interior? How is the Earth still warm? We discuss how the Earth’s molten interior created our magnetic field and how long it will continue to stay warm. Can asteroids generate volcanos? Can a volcano eruption send a rock to space? Could there be a planet made entirely of volcanoes? All that, plus, could we create an artificial volcano or cause an eruption ourselves?

    Thanks to our Patrons ILAN CAPONE, Ricardo Torres, Boiphamet, Sebastien Leroy, Parker, Katharine Hooper, and Alireza Sefat for supporting us this week.

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  • The Art of Science & the Science of Art with Neil deGrasse Tyson

    57:12

    Can you hear colors? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice explore science through art in Van Gogh’s Starry Night with art historian Roberta Olson, astronomer Jay Pasachoff, and neuroscientist Heather Berlin. How do artists reflect on our universe?

    How do artists depict celestial objects? Discover how artists have interpreted the cosmos over the ages and how science and art collide. Was the star of Bethlehem a comet? We discuss the drawings of astronomers and how illustration aided in the sciences. Was Isaac Newton an artist? Find out about the history of comets through the Nuremberg Chronicle. When did artists start putting their subjective pawprint on their work?

    Was the night sky like television in earlier times? How are the cosmos used symbolically? We discuss the Enlightenment and the meaning of comets, meteor showers, and other celestial events historically. Find out about Van Gogh’s nocturnes. Did he really paint what he was seeing? Or did Van Gogh bend the truth? Did he have synesthesia (seeing colors with sound)? We break down the accuracy of the moon and the stars in Starry Night. Is the gibbous moon really the worst moon to paint?

    To finish, Heather Berlin brings us the neurosciences of what happens in the mind of an artist. Does creativity come from the right side of the brain and logic from the left? Heather debunks some creativity myths for us and helps us understand the default mode network versus the salience network. Is there a neurological cost to being more creative? Could you make a person more creative artificially? Is it possible for AI to be more creative than human beings? How do synesthesia and chromesthesia work in the brain? Was the jump from traditional art to impressionist art a creative leap or just plain lazy? All that, plus, we break down how we would inject a joke into Chuck’s head!

    Thanks to our Patrons Rob Carter, Will, Matthew Power, David Born, CARLOS A HERNANDEZ, jon delanoy, and Trisha Donadio for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.



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    Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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  • Is Time Travel Possible? - The Science of Time With Neil deGrasse Tyson

    10:08

    Whether time travel is possible is among the most intriguing questions in all of science. Neil deGrasse Tyson explains how time travel into the future is possible through Einstein's general relativity theory.

    Time travel is a widely recognized concept in philosophy and science fiction. But is it truly possible in real life? What does physics tell us about time travel? Is it possible to travel to the past? There are some physical theories that can help us learn what time travel is and how it works. Neil deGrasse Tyson explains the nature of time and the conundrums of time travel.

    In Einstein's theory of special relativity time slows down or speeds up depending on how fast you move relative to something else. So, for an observer in an inertial frame of reference, a clock that is moving relative to them will be measured to tick slower than a clock that is at rest in their frame of reference. This case is sometimes called special relativistic time dilation. Time dilation may also be regarded in a limited sense as time travel into the future. The faster the relative velocity, the greater the time dilation between one another, with the rate of time reaching zero as one approaches the speed of light.

    While some physicists argue whether time travel is possible, theoretical physicist Carlo Rovelli thinks that time is in fact illusion and our reality is just a complex network of events onto which we project sequences of past, present and future.

    Neil deGrasse Tyson is quite possibly the most famous astrophysicist if not the most famous scientist of our time. He is a science communicator and author and he explains in layman's terms whether time travel is actually possible. Neil deGrasse Tyson has written numerous scientific books, his latest is Letters from an Astrophysicist.

    #TimeTravel #NeilTyson #Science

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  • StarTalk Podcast: Cosmic Queries – Kitchen Sink Edition

    45:22

    What are your burning questions about the universe? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice answer Patrons’ flaming-hot questions about the universe covering stars, black holes, gravity, philosophy... everything but the kitchen sink!

    What is Neil’s favorite star? We dive into some of our galaxy's most interesting stars and the mysterious phenomena around them, constellations, and whether the star of Bethlehem was a supernova. You’ll learn about ancient global astronomy through history. Shifting to our own solar system, find out if there is a mysterious ninth planet in our solar system beyond the light of our sun.

    Discover the difference between how gas giants and stars form. We explore more black holes and explain how Hawking radiation works. How could black holes eject particles if nothing can escape the event horizon? Does a black hole have a memory? We talk Einstein, matter, and antimatter.

    Going deeper and deeper, we answer the question: If energy and matter are equivalent, do modern theorists believe that free will exists? We break down subjectivity and the role of science within humanity. You’ll learn about neuroscience and the inception of thoughts in the brain. How does the subconscious mind work? We explore the idea of free will, whether or not we are in a simulation, and a quantum approach to predetermination.

    Could we use stars as an alchemy table to forge elements we want? What other sci-fi concepts do our Patrons have cooked up? You’ll learn why gravity is such a weird force. Is there another paradigm to talk about gravity? Are there other dimensions or dark matter that work to impact gravity? The more we learn the more we know about our own universe. But above all, we thank the programmer of our simulation for free will and yet another episode of StarTalk!


    Thanks to our Patrons Sabrina Anderson, Adam Collins, Jason Pretzlaf, Victor Sanchez, Gino Arizmendi, Austin Douglas, Sara George, douglas robinson, Royal_ish, Anita Petty for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.
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  • Neil deGrasse Tyson Explains The End Of Interstellar

    3:10

    Astrophysicist Neil deGrasse Tyson saw 'Interstellar' and then came by Business Insider to explain what the ending means – and if it's scientifically sound.


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    Business Insider is the fastest growing business news site in the US. Our mission: to tell you all you need to know about the big world around you. The BI Video team focuses on technology, strategy and science with an emphasis on unique storytelling and data that appeals to the next generation of leaders – the digital generation.

  • Neil deGrasse Tyson Picks the Most Scientifically Accurate Superhero

    4:03

    A fan wants to know who is the most scientifically accurate super hero, and who is the least. In this segment, Neil deGrasse Tyson and Chuck Nice weigh the realism of the two billionaires with the really cool toys: Bruce Wayne (Batman) and Tony Stark (Iron Man). The deciding issue, as Neil sees it, is the ARC reactor in Iron Man’s chest. Chuck, meanwhile, is more concerned with the relationship between Batman and Robin, his “young ward.” Come back next week for Neil’s choice for “least scientifically accurate” superhero.

    This Behind the Scenes video was shot during the recording of our episode, Cosmic Queries: Super Powers. If you'd like to listen to the full podcast, click here:

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  • Neil deGrasse Tyson Picks the Most Scientifically Inaccurate Superhero

    4:03

    A fan wants to know who is the most scientifically accurate super hero, and who is the least. In this segment, Neil deGrasse Tyson and Chuck Nice compare the stretchy guys to the rock guy to the big angry green guy. Not surprisingly, in a world populated by aliens, radioactive spiders and the victims of experiments gone wild, Neil settles on The Incredible Hulk, not because of the fact that gamma rays are fatal, but because of the problematic physics surrounding the change from Bruce Banner to The Hulk relative to the law of conservation of mass. (Can you say, “Marshmallow Hulk?”) Plus, find out Chuck Nice’s theory about why Batman will beat Superman every time.

    This Behind the Scenes video was shot during the recording of our episode, Cosmic Queries: Super Powers. If you'd like to listen to the full podcast, click here:

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  • What Neil deGrasse Tyson Got Wrong about Thors Hammer

    4:57

    How heavy is Thor’s hammer? Superhero movie fan Neil deGrasse Tyson and comedian Chuck Nice discuss a tweet that Neil sent after he saw “Thor.” The hammer is described as being forged in the ashes of a dying star, which Neil concluded would likely be a neutron star. After measuring a replica prop, Neil calculates that the hammer would weigh as much as a herd of 300 billion elephants. No wonder even The Hulk can’t pick it up! Even though a physics professor and Norse God specialist explained the error of his ways to Neil, it feels a bit lightweight to us, and we think Neil’s “wrong answer” is much more substantial.

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  • Time Travel | Wheel of Science with Neil deGrasse Tyson

    9:47

    Thanks to Wix for sponsoring this video! Create your website now:

    In this time-traveling episode of Wheel Of Science, Neil deGrasse Tyson and Chuck Nice answer YOUR questions about traveling forwards and backwards in time, wormholes, relativity, and time travel in pop culture.

    SHARE this episode with a friend who claims they’re from the future.

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  • Ant-Man vs. Thanos: Neil deGrasse Tyson Butts In

    1:36

    There’s a rumor going around that Ant-Man will kill Thanos by flying up his butt and expanding out of the quantum realm in Avengers: Endgame. Comedian Chuck Nice presented the idea to astrophysicists Neil deGrasse Tyson and Charles Liu.

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  • StarTalk Podcast: Rocks In Space with Neil deGrasse Tyson

    49:15

    They could be transporters of life or harbingers of doom – Neil deGrasse Tyson answers fan-submitted questions on comets and asteroids with science author and cosmochemist Natalie Starkey, PhD, and first-time comic co-host Mark Normand (@mark normand).

    This episode originally aired on April 26, 2019

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  • StarTalk Podcast: Geekdom 101 with Olivia Munn

    50:04

    Are you ready for your lesson in Geekdom 101? On this episode of StarTalk Radio, Neil deGrasse Tyson sits down with actress Olivia Munn, known for her roles in The Predator, X-Men: Apocalypse, The Newsroom, and more, to discuss the role she’s been playing all her life: a geek. Joined in-studio by comic co-host Chuck Nice and astrophysicist and StarTalk geek-in-chief Charles Liu, PhD, Neil and the Chucks are ready to explore Olivia’s geek cred and the geekiverse as a whole.

    What is a geek? What’s the difference between a geek and a nerd? Can you be a geek of just one thing? Like a theatre geek, a comic book geek, a sports geek? Olivia tells us why she thinks “geekdom” means freedom. We discuss why comic books are such a staple in geek culture. Charles also tells us why he thinks biohacking is the next great geek frontier.

    You’ll learn about Olivia’s upbringing and how her early struggles in algebra shaped her work ethic today. We explore her role as Psylocke in X-Men: Apocalypse. Find out what superpower Olivia would give herself if she could choose. You’ll hear why Neil’s superhero alter ego would be “Java Man. We investigate the power of science to bring superpowers to the real world: the Iron Man suit, genetic mutation, immortality, and more. Discover more about the relationship between science and magic. We also grapple with the idea that “if everyone is special, no one is special.”

    To finish off the episode, Olivia brings a couple Cosmic Queries she has for Neil. We ponder the existence of aliens. Neil explains why he has no reason to doubt that we are not alone in the universe. We ask: wouldn’t it be calming to know we’re not alone? Or, would it be frightening? Then we ask – are we alone in our intelligence? Lastly, Olivia checks in with Neil to see if the planets can impact humans individually. All that, plus, Neil and Charles reveal how much humanity actually “knows” about the universe.

    Thanks to our Patrons Genesis Perez, Braden Thomas, Joe Aguirre, Ayush Kapri, and Aden Parker for supporting us this week.

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  • Neil deGrasse Tyson: How Does Superman Fly?

    4:24

    If Superman follows the laws of physics, how does he fly? As a child, Neil deGrasse Tyson thought that because both Superman and Mighty Mouse had capes, it was the cape that allowed for flight. Now he understands that Superman was born on a planet with high surface gravity, so his higher muscular strength lets him leap far distances on Earth (much the way The Hulk can leap so high). Comedian Chuck Nice also reminded Neil that the original intro to Superman said that he was “Able to leap tall buildings in a single bound.”

    This Behind the Scenes video was shot during the recording of our episode, Cosmic Queries: Super Powers.” If you'd like to listen to the full podcast, click here:

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  • StarTalk Podcast: COVID-19 Update, with Neil deGrasse Tyson

    42:48

    This episode was recorded on April 23, 2020. Note – This episode contains factual discussions of the ongoing COVID-19 pandemic and may contain certain topics and discussion of statistics and information that might cause distress.

    On this episode of StarTalk Radio, Neil deGrasse Tyson gets and update on the ever-evolving COVID-19 pandemic from Dr. Irwin Redlener, Director of the National Center for Disaster Preparedness.

    To start, you’ll learn what constitutes a “pandemic.” Irwin tells us about the difference between “physical distancing” and “social distancing.” He explains why we want to be physically distant but remain socially together. You’ll learn more about pandemic modeling and projections. We investigate the importance of “contact tracing.” And, Irwin explains why we have to be careful when discussing “small” percentage changes.

    Discover more about the possibilities of a second and third wave of the outbreak. We explore why a rush back to open things is concerning. Irwin shares his thoughts on the death rate during the pandemic and why there might be severe undercounting. We also investigate statistics coming from other countries and if there’s any reason to not believe the reports.

    Lastly, we find out what the United States did wrong that lead to the mishandling of early preventative steps. We also explore what other countries have been doing right to flatten the curve. You’ll hear how policy evolves throughout a crisis and how the public should react to constant flipflopping of messaging. All that, plus, Irwin leaves us with a message of hope for the future.

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    About the prints that flank Neil in this video:
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  • Neil deGrasse Tyson & Malcolm Gladwell - AI, Autonomous Vehicles, and Race – Oh my!

    55:52

    How do self-driving cars change our psychology and do they solve The Trolley Problem? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice philosophize about science’s role in society with prolific author Malcolm Gladwell. What’s the best way for scientists to communicate with the public?

    Learn about Malcolm’s new book, The Bomber Mafia ( and about incorporating science into writing. Should every scientist also be a science communicator? Should all areas of science be made accessible to the public? We debate the popularity of Stephen Hawking’s A Brief History of Time ( and the role of pseudoscience in American science history. As a society, are we pulling away from scientific literacy? We talk about Malcolm’s mother growing up in Jamaica and why he loves the city of Atlanta.

    Neil and Malcolm compare notes about school growing up and discuss demographic disparities in school suspensions. Malcolm breaks down the concept of his new book about the quest to create accurate bombing in the second world war. Discover General Curtis LeMay and why he is one of the deadliest people in human history. You’ll also learn… how to make a mini firestorm on a birthday cake?

    Why is Malcolm running in front of self-driving cars? We break down the changes in psychology between cars and pedestrians when it comes to autonomous vehicles. If the fear of an imperfect driver is removed, will pedestrians behave differently? Does the self-driving car revolution also hail in pedestrian anarchy? Should autonomous vehicles be less good at driving? Do self-driving cars have a trolley problem? Does programmer bias have the potential to put certain people more at risk of accidents? All that plus, find out the evolution of Malcolm’s hair.

    Thanks to our Patrons Tobias Malmborg, Andy Pattinson, Adam Lenda, Naomi Martin, Johan Fredrik Oldervik, and Scott Heflen for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

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  • Space Force: A New Domain with Neil deGrasse Tyson

    54:12

    This week’s episode is brought to you by The Space Force. For more information, please go to #sponsored.

    How much of your life is touched by space? On this episode, Neil deGrasse Tyson and comic co-host Chuck Nice break down the newest branch of the US military, The Space Force, with Charles Liu, Major General DeAnna Burt, and Dr. Moriba Jah. Is this one step closer to Star Wars?

    Discover the alliance between astrophysics and the military. What ways are there to destroy a satellite? Charles Liu teaches us about electromagnetic pulses– EMPs– and how they disrupt electronics. Can people be safe from a detonated EMP, like in the movies? How do we protect ourselves against EMPs?

    Next, we speak with Major General DeAnna Burt about her role within The Space Force and what it’s like to form an entire branch of the military from scratch. Who came up with the name Space Force? Is the creation of The Space Force an escalation of military tensions in the world? Is it a step towards war in space? Find out about geosynchronous robotic arms, kinetic kill vehicles, and what The Space Force really does to protect us against threats that exist already. We discuss satellites and just how much of daily life on earth is touched by space. How far does space go? Is The Space Force for the domain of the universe itself?

    What’s the potential for warfare in space? Or the possibility of Star Wars? How do we work together to ensure fights don’t extend into space? Moriba Jah breaks down the objects we’re tracking in our orbit. What do you do when an object is on track to hit another object in orbit? We also discuss the Kessler Effect and what it means for the future of our orbits. How do you regulate and track the booming private satellite industry? All that plus, what about non-human threats?

    Thanks to our Patrons Lisa Cotton, Luis Stark, Oscar h, Travis Mansfield, Justin Thomas, Josh Wise, and Astaroth for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

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  • StarTalk Podcast: Let’s Make America Smart Again – The Future of NASA

    53:13

    Continuing with our Let’s Make America Smart Again series, we turn our attention towards NASA: where they’ve been, what are they’re doing now, and where they plan to go in the future. Neil deGrasse Tyson and comic co-host Chuck Nice answer fan-submitted Cosmic Queries about NASA and its endeavors with the help of Ellen Stofan, former chief scientist at NASA, who was a part of numerous interplanetary missions during her tenure and who specializes in planetary geology and volcanology.

    You’ll hear Ellen’s thoughts on NASA’s global role in the future and how private/public partnerships will play out once humans colonize Mars and continue traveling deeper into the solar system. You’ll learn about NASA’s funding and how micro-increases in budget could drastically accelerate the process of getting humans to Mars and beyond. Get the details on possible plans for NASA to send missions to the inner planets. Find out if everyone is on board for a mission to Mars, and whether we should return to the Moon at all.

    Our trio ponder the notion that the United States needs to be challenged, à la a Space Race, to provide a kick start to space exploration activities. Also find out where commercial space exploration will stake its claim in the solar system, and what the future holds for the International Space Station. You’ll also explore the growing problem of space junk and discover what NASA mission Ellen wanted to have greenlit that ended up being turned down.

    This episode originally aired on September 22, 2017.

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  • Food in Space with Neil deGrasse Tyson, Alton Brown, and Guests

    1:38:50

    How good is food in space? On this episode, Neil deGrasse Tyson and comic co-host Jordan Klepper feast on food science and the challenges we face sending food to space with chef Alton Brown (Good Eats: The Final Years food chemist Dr. Arielle Johnson and NASA food scientist Dr. Grace Douglas.

    Note: This live show was filmed prior to the COVID 19 pandemic. All content recorded since then has been up to safety standards with social distancing, mask mandates, and vaccination in mind. We look forward to doing our part to make sure that we can make events like this one happen safely again soon.

    Can you become a better cook through science? Find out about the creative field of flavor science and what molecular gastronomy is. How can we still make good food with constraints? Discover how one of the top restaurants in the world, Noma, uses ants to replace lemons. What is retro-nasal olfaction? What happens when we taste something? Can you invent a new smell or flavor that’s never been experienced before? Can we take our palates to the limit?

    We explore the Advanced Food Technology project at NASA: How do you create food for space? You’ll learn how they find the perfect balance between safety, nutrition, and flavor for the astronauts. Can they just grow space potatoes like in The Martian? Do astronauts lose their sense of taste? Is there a food space race? How important is variety in their food? What is the feedback like from the astronauts? How many options do they get for dinner? If we had to choose one food to live on, what would we choose? We discuss the ritualism around food preparation, closed loop systems, and how food helps us feel at home. How close are we to growing our own food in space? Is the future of space exploration vegetarian?

    Where is food science heading in the face of climate change? Can fixes to Mars’ problems have applications for us on Earth? Do we need to diversify our palates? We break down the impact of climate change on growing patterns, food availability, and bees. Could we have bees in the ISS? Are there chemical solutions to these problems? We try to answer the question: How do we do the same thing with fewer resources? All of that, plus, find out about NASA initiatives to solve these problems and what the future of space food looks like.

    Thanks to our Patrons Jeni Morrow, Hyrule Ok, blufor, Timothy Dalby, John Turnham, SkellyIRL, and Chuck H for supporting us this week.

    NOTE: StarTalk+ Patrons can watch or listen to this entire episode commercial-free.

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  • StarTalk Podcast: New Mysteries of the Universe, with Neil deGrasse Tyson

    47:29

    Alien megastructures? Gravitational waves? Explore the latest cosmic conundrums when Neil deGrasse Tyson​ and Eugene Mirman​ answer questions from our fans.

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  • Zachary Quinto on Science Fiction, Star Trek, and Playing Spock

    46:49

    How important is science fiction? On this episode of, we’re diving into the world of Star Trek and science fiction. Neil deGrasse Tyson beams up to the USS Enterprise to chat with Spock himself, Zachary Quinto. Back on base, Neil is joined by comic co-host Chuck Nice and astrophysicist and StarTalk geek-in-chief Charles Liu, PhD.

    You’ll learn about Zachary’s classical theatre background. We explore the Shakespearean themes found in Star Trek and why science fiction in general is a perfect canvas for the themes and drama of Shakespeare. Find out more about Zachary’s role in Heroes and In Search of… You’ll also find out why shows work best when they “stick to their own rules.” We discuss why Heroes ultimately lost its audience due to “retroactive continuity.” We explore retconning even further as Neil brings up the Kessel Run from Star Wars.

    Then it’s time for Star Trek. Zachary tells us how he felt about taking on one of the most iconic roles in all of science fiction. You’ll hear about his close relationship with Leonard Nimoy. We investigate Spock’s constant battle between his Vulcanism and his humanity. This leads to a bigger question: how do you separate emotions from logic? Or, do they work in tandem? Discover more about the relationship between Spock and Captain Kirk and why they serve as perfect foils to each other.

    Lastly, you’ll learn about science fiction storytelling. We debate which element of storytelling science fiction should focus more on: telling morality tales or indulging in escapism. Charles explains why, when debating things like this, you must consider the medium in which the story is being told. All that, plus, Neil tells us why science fiction’s job is to illuminate the human condition.

    Thanks to our Patrons Pat Mallon, Kyle Rhodes, M. Tristan Moody, Wil Jay (wil_n3rd), Mateo Monsalve, Adam Honaker, Foluso Ogundepo, Christian Lundgaard Torstensen, Brandon Kellerhals, and Steven Pugh for supporting us this week.

    NOTE: StarTalk+ Patrons and All-Access subscribers can watch or listen to this entire episode commercial-free.

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  • StarTalk Podcast: Celebrating Neil Armstrong & Apollo 11, with Neil deGrasse Tyson

    51:50

    On this episode of StarTalk Radio, Neil deGrasse Tyson, comic co-host Chuck Nice and Astro Mike Massimino, two-time space shuttle veteran and Professor of Mechanical Engineering at Columbia University, sit down together to celebrate the life and legacy of Neil Armstrong in conjunction with the release of the brand-new film First Man. The film follows Neil (portrayed by Ryan Gosling) and his career leading up to the Moon landing. Whether he’s pushing altitude limits in an X-15, testing docking mechanics in a Gemini capsule above the Earth, or landing on the Moon with only drops of fuel remaining – he’s as cool as ice. Neil and Mike discuss the film and whether or not it accurately portrays Armstrong as he was in real life. You’ll hear from Armstrong himself as Neil caught up with the real-life first man on the Moon at the 40th anniversary of the Apollo 11 mission Tyson hosted in 2009 at The National Air and Space Museum in Washington, DC. You’ll also hear from Gene Kranz, who was also at the event, who tells Neil what it was like to be a part of the mission from the ground. Explore why, even though Armstrong was quiet and weary of the spotlight, everyone agreed he was the right man for the job. Mike shares his experience meeting Armstrong while he was an astronaut in training. Neil also describes the first time he met Armstrong – on a cruise to Mauritania to view a solar eclipse, for which the 14-year-old Tyson had won a scholarship through the Explorers Club. Mike explains how Armstrong’s first words on the Moon influenced him when he sent the first tweet ever tweeted from space. You’ll hear why the Moon landing was so stressful for everyone on the ground, and Mike explains the honesty that comes with discussing the chances of having unsuccessful missions. You’ll also learn more about the Omega watches that were used on Apollo 11 and how NASA decided which watch brand to choose. All that, plus, Neil reflects upon the Apollo 11 mission and how it was perceived not as an American event, but a world event, inspiring millions and millions of people across the globe.

    Originally aired as a podcast on October 19, 2018.

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  • StarTalk Podcast: Creating Science Fiction, with Gale Anne Hurd

    48:33

    The Terminator, The Walking Dead, Aliens, and a lot more. Those are just some of the producing credits for this week’s main guest on StarTalk Radio. Neil deGrasse Tyson sits down with producer-extraordinaire Gale Anne Hurd to explore what it takes to bring great science fiction to life. Neil is joined by comic co-host Chuck Nice, science fiction expert Jason Ellis, PhD, and volcanologist Janine Krippner, PhD.

    Because science fiction comes in many different forms and through many different avenues, there are many ways to get into it. You’ll learn how Gale’s childhood love of Marvel comic books and science fiction novels translated into a career “making what she likes to see.” She tells us how she served as a science fiction consultant to her local library to make sure their stock was up to date. Jason shares why not being able to see Star Wars in the theater sparked a rebellious love for science fiction.

    You’ll hear about the history of science fiction and how it combines the STEM fields and the humanities. We debate if science fiction informs the future of every technological invention. You’ll find out about a lawsuit H.G Wells brought upon military figureheads because he claimed they stole his idea from one of his science fiction stories. Explore using science fiction as social commentary. Discover more about the famous kiss between Captain Kirk and Lt. Uhura, and how William Shatner and Nichelle Nichols purposely flubbed takes to make sure it stayed in the episode.

    We take a deep dive into Dante’s Peak as volcanologist Janine Krippner stops by to share her take on the film. She explains why she thinks it’s still the best volcano movie even with its flaws. Gale gives us a behind-the-scenes look on how she fought for even more scientific realism to be in the film but encountered pushback from the studio. Neil also confronts Gale on the famous scientific inaccuracies of Armageddon. Chuck shares his love for The Expanse, we discuss Interstellar, and Neil tells us about his involvement in The Europa Report.

    Lastly, you’ll also find out the differences between creating science fiction for television and film. According to Hugo Gernsback, the father of science fiction, sci-fi should be 75% romance and 25% science – is that still the goal? All that, plus, Jason caps it off with a story on how he was criticizing the film Sunshine right in front of director Danny Boyle’s family.

    This episode originally aired on May 30, 2019.

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