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Neil deGrasse Tyson Explains the Earth's Rotation

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  • Neil deGrasse Tyson Explains the Earths Rotation

    18:55

    We know the Earth rotates…but why can’t we feel it? On this StarTalk explainer, Neil deGrasse Tyson and comic co-host Chuck Nice investigate centrifugal force and the Earth’s rotation.

    What is centrifugal force? Well, if you’ve been on a carnival ride, you probably know. However, Neil tells us why there is really no such thing as centrifugal force. Find out why you weigh less when you’re closer to the equator.

    You’ll learn what speed Earth has to be rotating so that the centrifugal force balances out the gravitational force causing you to hover just above the surface in what Chuck calls “super-low Earth orbit.” All that, plus, Chuck uses this to invent a new diet.

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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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  • Neil deGrasse Tyson Explains the REAL Length of Day

    16:56

    A day is 24 hours, right? Right?!?! On this StarTalk explainer, Neil deGrasse Tyson and comic co-host Chuck Nice investigate the length of a day.

    To start, Neil explains why a “sidereal day” is 23 hours, 56 minutes, and 4 seconds and a “solar day” is, on average, 24 hours. You’ll learn why Earth’s orbit around the sun impacts how we measure the length of the day. Should we re-define the length of a second? Discover more about leap seconds and how we decide when to add them to the calendar.

    Find out more about atomic clocks and sun dials. Neil explains why the Earth is slowing down and why the Moon is spiraling away from us. We also discuss how tides serve as a counter-balance to the Earth’s rotation. All that, plus, we explore the many things that can impact Earth’s rotation including seasonal animal migrations, earthquakes, melting land glaciers, and more!

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  • Neil deGrasse Tyson: If Earth Stopped Rotating For a Second

    4:21

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    If Earth Stopped Rotating For a Second | Larry King Now - Ora TV
    Astrophysicist and science commentator #NeildeGrasseTyson takes questions via social media.

  • Neil deGrasse Tyson Explains the Edge of the Earth

    14:27

    Where does the Earth end? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explore the Karman Line, where Earth ends and where the great expanse of space starts. Does Earth have an edge?

    How do we measure the extent of gaseous objects? We take a deep dive into measurement precision and the Karman Line. How high up does the atmosphere go? What is the diameter of the sun? We break down different ways we could choose to measure Earth’s atmosphere. And does Earth’s atmosphere really extend 100km out?

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  • Neil deGrasse Tyson Explains Achieving Orbit

    14:45

    What does a falling apple and the moon have in common? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explore gravity, Sir Isaac Newton, and how objects acheive orbit. Has Chuck ever been in orbit?

    Discover the history of our orbiting moon with Sir Isaac Newton. What would happen if you fired an apple from a mountaintop? Learn how Newton connected the falling apple to the orbiting moon. How can objects escape gravity? What does “falling” even mean? Why are astronauts weightless when they are in orbit? Neil voices some qualms he has with the film Ad Astra and you’ll hear a reading list to learn more about Newton. Is he truly the world’s greatest intellect?

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  • Neil deGrasse Tyson Explains Space

    9:29

    What is space? In this explainer, Neil deGrasse Tyson and Chuck Nice explore the boundaries of space...the definition that is.

    We talk about space a lot, but what is it? You’ll learn about different levels of orbit, where we draw the line of where earth ends and space begins, and how far the International Space Station is from the surface of the earth. Is the ISS always in space? Should our definition of space be based on our planet’s atmosphere? Should we change our definition? How many astronauts have actually been to space? All that and more on another StarTalk explainer!

    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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  • Neil deGrasse Tyson Explains Why Earths Surface is Smooth

    8:56

    From your point of view, Earth's surface might not look so smooth. Neil deGrasse Tyson is here to tell you why it's smoother than you think. Alongside comic co-host Chuck Nice, you'll learn how all the classroom globes you've interacted with are exaggerating Earth's features. Discover more about the topographical variations found on Earth. Find out why there's a limit to how high mountains can ascend. Lastly, you'll learn why neutron stars are the smoothest objects in the universe.

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  • Neil deGrasse Tyson Explains the Cosmic Ballet of the Earth and Moon

    5:28

    Astrophysicist Neil deGrasse Tyson elaborates on a lunar query that was originally explained in “Cosmos: A Spacetime Odyssey.” Find out how gravitational forces and the oceans interact to move the Moon, which is tidally locked with the Earth, 5 inches further from Earth every year. Don’t miss comedian Chuck Nice get weirdly excited when Neil blows his mind with this astrophysics lesson. Also, Neil explains The Double Tidal Lock - a wrestling move he always wanted to invent that is grounded in science!

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  • Neil deGrasse Tyson: 3 mind-blowing space facts | Big Think

    14:00

    Neil deGrasse Tyson: 3 mind-blowing space facts
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    ----------------------------------------------------------------------------------
    Astrophysicist Neil deGrasse Tyson joins us to talk about one of our favorite subjects: space.

    In the three-chaptered video, Tyson speaks about the search for alien life inside and outside of the Goldilocks Zone, why the term dark matter should really be called dark gravity, and how the rotation of the Earth may have been the deciding factor in a football game.

    These fascinating space facts, as well as others shared in Tyson's books, make it easier for everyone to grasp complex ideas that are literally out of this world.
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    NEIL DEGRASSE TYSON:

    Neil deGrasse Tyson was born and raised in New York City where he was educated in the public schools clear through his graduation from the Bronx High School of Science. Tyson went on to earn his BA in Physics from Harvard and his PhD in Astrophysics from Columbia. He is the first occupant of the Frederick P. Rose Directorship of the Hayden Planetarium. His professional research interests are broad, but include star formation, exploding stars, dwarf galaxies, and the structure of our Milky Way. Tyson obtains his data from the Hubble Space Telescope, as well as from telescopes in California, New Mexico, Arizona, and in the Andes Mountains of Chile.Tyson is the recipient of nine honorary doctorates and the NASA Distinguished Public Service Medal. His contributions to the public appreciation of the cosmos have been recognized by the International Astronomical Union in their official naming of asteroid 13123 Tyson.

    Tyson's new book is Astrophysics for People in a Hurry, you can check it at
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    TRANSCRIPT:

    NEIL DEGRASSE TYSON: When we think of places you might find life we typically think of the Goldilocks Zone around the star where water would be liquid in its natural state. And if you get a little too close to the star, heat would evaporate the water and you don't have it anymore. It's gone. Too far away it would freeze and neither of those states of H2O are useful to life as we know it. We need liquid water. So you can establish this Green Zone, this habitable zone, this Goldilocks Zone, where if you find a planet orbiting there hey, good chance it could have liquid water. Let's look there first for life as we know it.

    Now it turns out that this source of heat, of course is traceable to the sun and if you go farther out everything water should be frozen, all other things being equal. But Europa, a moon of Jupiter sitting well outside of the Goldilocks Zone is kept warm not from energy sources traceable to the Sun, but from what we call the tidal forces of Jupiter itself. So, Jupiter and surrounding moons are actually pumping energy into Europa. And how does it do that? As Europa orbits Jupiter its shape changes. It's not fundamentally different from tides rising and falling on Earth. The shape of the water system of the Earth is responding to tidal forces of the moon. And when you do that to a solid object, the solid object is stressing. And because of this, a consequence of this is that you are pumping energy into the object. It is no different from when you say to anyone who's familiar with racquet sports, indoor racquet sports. It could be racquetball or squash. You say let's arm up the ball before we start playing.

    You want to hit it around a few times. You are literally warming up the ball. It's not just simply let's get loose. You are literally warming up the ball. How? You are distorting it every time you smack it and then the resilience of the ball pops it back into shape and every time you do that, every smack, you're pumping energy into the ball. It's not fundamentally different from what's going on in orbit around Jupiter. So, you have this frozen world, Europa, completely frozen on its surface but you look at the surface and there are cracks in the ice. There are ridges in the ice where there's a crack and it shifted and then refroze. So this ridge has a discontinuity in the crack and it continues in another place. So what this tells you is that Europe cannot be completely frozen because if it were nothing would be moving. You look at the surface of Europa, the frozen surface, there are like ice chunks that are shifted and refrozen and shifted again. It looks just like if you fly over the Arctic Ocean.

    Fly over the Arctic Ocean in the winter...

    Read the full transcript on

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  • Neil deGrasse Tyson Explains Meteor Showers

    17:52

    What is a meteor shower? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice break down how these nighttime spectacles come to be and when you can see them in action.

    Why do meteor showers show up a the same time each year? What’s up with that? We discuss the Geminid and the Perseid meteor showers and what is difference between them. How much space debris does Earth plow through every day? Is a meteor hitting Earth just like a bug on a windshield? We discuss near-Earth objects and how comet’s tails give us a light show. There such thing as a meteor storm? What’s a bolide? Plus, we walk you through how to have your best meteor shower viewing experience. All that and more on another StarTalk explainer!

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  • Neil deGrasse Tyson Explains the Equinox

    11:54

    What’s going on with the equinox? In this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice honor the equinox, breaking down why we have it and how it works.

    What makes the two equinoxes special days of the year? You’ll learn the difference between spring versus fall equinox and what they mean in context with the summer and winter solstices. How does the equinox differ for different parts of the world? Is the equinox the same in Alaska as it is in Brazil?

    Discover the reason why the equinox isn’t actually equal night and day. How does our own atmosphere impact our hours of sunlight? What is our definition of sunrise and sunset? Is there a real equinox we don’t celebrate? But most of all… where can we get that StarTalk sweatshirt???

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  • Neil deGrasse Tyson Explains the Sun

    14:08

    Hottest takes in the solar system? Here comes the sun on this explainer, where Neil deGrasse Tyson and comic co-host Chuck Nice break down solar flares, sun spots, and all the things you thought you knew about the star at the center of our solar system.

    How big is the sun? We wrap our heads around the scale of our universe and the role of the sun on our planet. If the sun were magically plucked from its spot, how long would it take for us to realize it? What is “solar max”? How to do sunspots work? What about solar flares? Can they break our satellites? We break down the mechanics of the sun’s interior, the merry-go-round effect, and the flipping of the sun's poles. All that, plus, what are deep sea fishes’ experience with the sun?

    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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  • Neil deGrasse Tyson Explains the History of Earth Day

    14:39

    Where did Earth Day come from? On this explainer, Neil deGrasse Tyson and comic climate activist co-host Chuck Nice discuss the origins of Earth Day and when we started paying attention to environmental issues on our own planet.

    When was the first Earth Day? We talk about Rachel Carson’s 1962 book Silent Spring and the origins of climate activism in the United States. How did people's mentalities towards pollution change? We break down the concept of a global environment, the turbulence of the sixties, and Apollo 8. What does the 1968 trip to the moon have to do with Earth Day? Discover how leaving the earth helped us think about our own planet. We explore the founding of the Environmental Protection Agency and other government agencies and policies in the 70’s. What changed in our mindset towards Earth when we travelled to space? Happy Earth Day from your friends at StarTalk, keep looking up and keep looking home!

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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!

    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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  • Neil deGrasse Tyson Explains Wind

    14:07

    Where does wind come from? On this explainer, Neil deGrasse Tyson and Chuck Nice venture into the phenomena of wind and how it works.

    What causes wind? Is it caused by trees waving their branches? We explore air pressure, Earth’s rotation, and the heating of Earth’s surface. What does a low-pressure system even mean? We’ll take you from a nightclub for clouds out to the doldrums. How do areas with no wind come to be? Does The Martian have it right that there are wind storms on Mars? All that, plus we discuss what the weather is like on other planets!

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  • Neil deGrasse Tyson Puts Earths Smallness Into Perspective

    6:55

    'Astrophysics for People in a Hurry' author Neil deGrasse Tyson reminds us Earthlings that we're less 'center of the universe' and more 'pale blue dot.'

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  • Neil deGrasse Tyson Explains Time

    3:47

    What exactly is time? Where does it come from, how do we observe it, and what does it mean? Neil deGrasse Tyson, astrophysicist, host of StarTalk Radio and director of the Hayden Planetarium, answers this Cosmic Query from a fan in this Behind the Scenes video. With comic co-host Eugene Mirman.

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  • Neil deGrasse Tyson Explains Banking Turns

    9:43

    Why do airplanes bank their turns? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice break down the physics of banking turns in airplanes.

    Why doesn’t your water spill when you’re on an airplane? You’ll learn the physics of what’s going on when an airplane banks. Speed, turn radius, centripetal force: find out why things stay so normal on an airplane when it turns. Why don’t spaceships need to bank turns? We get into the aerodynamics of it. Plus, a quick Star Trek versus Star Wars debate.

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    0:00 - StarTalk Explainer Introduction
    0:11 - Why you should fly on an airplane
    0:37 - Why do liquids stay level on an airplane?
    02:15 - Are airplanes flown by computers?
    02:50 - The physics of banking a turn
    05:49 - The aerodynamics of space travel
    06:47 - Was Star Wars scientifically accurate?
    08:34 - Outro

  • Neil deGrasse Tyson Explains the Space-time Continuum

    13:39

    What are the consequences of playing with the SPACE-TIME CONTINUUM? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice break down the space-time continuum in real life and in pop culture.

    Find out about Einstein's special theory of relativity and our four dimensions. Neil and Chuck make lunch plans as they navigate space and time. What critiques does Neil have of The Terminator and Back to the Future? What are some unintended complications of time travel? Discover the concept of worldliness, getting unstuck from time in Slaughterhouse 5, and how time travel is just a changing of dimensions.

    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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  • Neil deGrasse Tyson Explains the Physics of Size and Life

    15:45

    Have you ever just sat back and thought about life? On this StarTalk explainer, Neil deGrasse Tyson and Chuck Nice investigate the physics of size and life.

    You’ll learn why physics sets the rules, not biology. Neil explains how and why the laws of physics don’t manifest equally at all size scales. We explore the science of A Bug’s Life and what the creators got right about surface tension.

    We discuss how our size as humans impacts what we can and cannot do. You’ll learn why you won’t find tiny creatures with really thick legs. We also discuss why whales can get so big. All that, plus, Neil tells us why Sylvester Stallone isn’t a believable rock climber in the movie Cliffhanger.

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  • Neil deGrasse Tyson Explains Why Some Info Is Need to Know

    16:35

    When someone says that information is on a “need to know” basis, your mind might automatically think that the information is secretive, dangerous, etc. But, there’s another type of “need to know” information that involves different “levels” of information.

    On this StarTalk explainer video, Neil deGrasse Tyson and comic co-host Chuck Nice are exploring these different “levels” of information. We discuss why, in certain circumstances, an idea is better than the details. To understand these levels of information, we explore the Earth’s orbit around the Sun. You’ll learn why you can say the Earth goes in a circle around the Sun and be “correct” even though it’s actually an elliptical orbit. And you can say it’s an elliptical orbit even though it’s actually a loop-de-loop!

    Find out how Earth’s tilt influences our seasons. You’ll also find out about the “libration” of the Moon or as Chuck calls it “Moon twerking.” And, we discuss Earth’s precession around the Sun. Lastly, Neil uses the size of the Sun as another example of understanding different levels of information. All that, plus, we explore why the scientific method allows for the possibilities of change.

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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!

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  • Neil deGrasse Tyson Explains Electric Power

    14:20

    How clean is your electric car? In this Earth Day explainer, Neil deGrasse Tyson and comedian co-host Chuck Nice break down the emissions from generating electricity and how electric vehicles really are cleaner.

    Aren’t we burning fossil fuels to get electricity? So are the emissions from your car just transferred elsewhere? We break down coal fire power plants and how much of our power is supplied by fossil fuels. Neil asks, how much does salt cost? We discuss the history of salt as a strategic commodity and how to turn power into salt in the eyes of Americans. How did innovations in food preservations change our view of salt? You’ll learn how this connects to the commodification of oil and how our society is similarly dependent on it for life. Doesn’t a car really just need power? Should we be more or less casual about our electricity usage? What transportation issues do we face with alternative forms of energy? How does our choice to use electricity impact the energy marketplace? All that and more, on another StarTalk explainer!

    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!

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  • Neil deGrasse Tyson Explains Moon Mysteries

    11:29

    So you think you know the moon? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice break down myths about the moon.

    How much do you know about the moon? Find out why the full moon doesn’t have more gravity compared to other phases as well as what factors change the strength of gravity. Does the sun also create tides? We explore the logistics of becoming a werewolf. Is it the full moon or the light of the full moon that activates a werewolf? Is moonlight really different from sunlight? These answers will have you howling...

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  • Neil deGrasse Tyson Explains the Difference Between Mass, Weight, and Density

    15:16

    If you’re trying to get in shape you need to lose weight, right? Neil deGrasse Tyson says wrong. On this StarTalk explainer, Neil and comic co-host Chuck Nice are breaking down the differences between mass, weight, and density.

    To start, 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.

    Then, we move on to density. 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.

    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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  • Neil deGrasse Tyson Explains Speed vs. Acceleration

    12:27

    Do you feel the need… the need for speed?! On this Explainer, Neil deGrasse Tyson and comic co-host Chuck Nice break down why this might actually be a need for acceleration.

    What’s the difference between speed and acceleration? Find out about vectors, velocity, and the motion of the earth. Have you ever timed how long it takes for a car to go from zero to 60? You’ll learn about “jerk” as a change of acceleration and what it does to the human body. What does it mean to “feel” speed and the road? We talk cars, planes, and why you can drink a glass of water in a turning airplane without spilling. All that, on another StarTalk explainer!

    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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  • Neil deGrasse Tyson Explains the Moon

    15:30

    You think you know the moon? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice break down moon lore and any misconceptions you might have about the moon.

    Chuck carefully avoids making any moon jokes as we break down myths about the moon. Why does the moon look bigger on the horizon? Is it actually a trick of the eye? You’ll learn an easy trick to undo this illusion. What’s a honey moon? We break down different moons including the creepiest, and also Chuck’s favorite: the blood moon. All that, plus, lunar eclipses, sunsets and more on another StarTalk explainer!

    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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  • Neil deGrasse Tyson Explains Gravity Assists

    15:31

    What is a gravity assist? How does it work? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice discuss how spacecraft use gravity and orbital speed to slingshot to their destination. How do you speed up or slow down without fuel?

    Huge thanks to our sponsors Solgaard for collaborating with us on their incredible 'Outta This World' collection. Head to and use code STARTALK at checkout for 15% off of ALL website purchases.

    Take a trip with Voyager 1 and 2 and how they used gravity assists to generate enough energy to leave the solar system. We uncover the mystery of its effectiveness: shouldn’t the same gravity that pulls you in and speeds you up, pulls you back as you exit? Discover the art of the slingshot, orbital speed, and “planetary mugging.” What happens to a planet’s orbit if you slingshot enough? What’s the official past tense of slingshot? All that, plus, more enlightened analogies from Chuck.

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  • Neil DeGrasse Tyson: Is This Thing A Spaceship?

    8:05

    Astrophysicist and 'Astrophysics for People in a Hurry' author Neil deGrasse Tyson explains the science behind the first observed interstellar object to visit our universe (which Stephen knows is full of aliens).

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  • A mind-expanding tour of the cosmos with Neil deGrasse Tyson and Robert Krulwich

    1:22:42

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    Ever wonder about the our vast, mysterious universe — but don’t have time to earn that PhD? Superstar scientist Neil deGrasse Tyson has come to the rescue with Astrophysics for People in a Hurry, the brilliantly witty guide you’ve been waiting for. Recorded May 3, 2017 at 92nd Street Y.

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  • Neil DeGrasse Tyson Explains The Cosmic Perspective | CONAN on TBS

    4:01

    Neil posits that we are not only living in the universe, but the universe is also living in us. Duuuude.

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    Airing weeknights since 2010, CONAN on TBS is home to topical monologues, remote segments, celebrity interviews, musical performances and stand-up from the top comedians in the world. Watch highlights, outtakes and behind the scenes footage of Conan palling around with sidekick Andy Richter, tormenting Associate Producer Jordan Schlansky and playing the latest video games on Clueless Gamer.

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    Team Coco is the YouTube home for all things Conan O’Brien and the Team Coco Podcast Network. Team Coco features over 25 years of comedy sketches, celebrity interviews and stand-up comedy sets from CONAN on TBS and Late Night with Conan O’Brien, as well as exclusive videos from podcasts like Conan O’Brien Needs a Friend, Literally! with Rob Lowe, Why Won’t You Date Me? with Nicole Byer, The Three Questions with Andy Richter, May I Elaborate? with JB Smoove and Scam Goddess with Laci Mosley.

    Neil DeGrasse Tyson Explains The Cosmic Perspective | CONAN on TBS

  • Neil deGrasse Tyson Explains How Quantum Physics Can Spoil Food

    14:45

    How can quantum physics spoil food? You know how food usually spoils, but quantum physics?! On this StarTalk explainer, Neil deGrasse Tyson and comic co-host Chuck Nice are here to fill you in on the physics of what’s going on in your fridge.

    First, we need to know how most food commonly spoils. Neil tells us about the “normal” way food goes bad which involves microbes, bacteria, and temperature. We explore unpasteurized milk vs. pasteurized milk.

    Then, Neil explains how quantum physics can spoil your food (after a really long time). We discuss “quantum tunneling.” You’ll learn about the behavior of molecules and their continual quest to be “happy.” All that, plus, find out if there’s anything you can do to stop this quantum phenomena.

    Absolute Zero Explainer:

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    Background Image Credit: NASA Goddard/ESA/ Hubble

    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

  • The Future of Colonizing Space- Neil deGrasse Tyson- WGS 2018

    1:19:52

    Space missions need to have a defensive component or economic benefit. With economic returns often uncertain, space programmes have tended to be led by governments, because only they can invest in programmes that have a long-term pay-off, whether economic or geopolitical. When it comes to saving humanity from an asteroid impact, Tyson stressed that rather than establishing colonies in space, we would be better to try to deflect the asteroid.

    تحدث نيل ديغراس تايسون، عالم الفيزياء الفلكية، أن البعثات الفضائية تُطلق عادةً إما لأغراض دفاعية أو اقتصادية لتبرير غايتها. وفي غياب ضمانات العائد الاقتصادي بالنسبة إلى القطاع الخاص، تتولى الحكومات إدارة جميع برامج الفضاء لما تملكه من قدره على الاستثمار في برامج ذات عائد طويل الأجل، سواء كان لهذا العائد بُعد اقتصادي أو جيوسياسي. أما بالنسبة إلى الدعوة لبناء مستعمرات على سطح الكواكب الأخرى تحسبًا لأي دمار قد يحلّ بكوكب الأرض نتيجة تعرضه لاصطدام نيزك، قال تايسون إن تحويل مسار النيزك يظل هو الحل الأمثل في هذه المرحلة

  • Is An Asteroid Going To Hit Earth On Election Day? Neil deGrasse Tyson Says Maybe

    9:34

    Astrophysicist Neil deGrasse Tyson reminds us that there is an asteroid heading towards Earth on election day, but it shouldn't stop anyone from voting! You can see more of Neil deGrasse Tyson on his show, Cosmos: Possible Worlds. #Colbert #Cosmos #NeildeGrasseTyson

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    ---
    The Late Show with Stephen Colbert is the premier late night talk show on CBS, airing at 11:35pm EST, streaming online via CBS All Access, and delivered to the International Space Station on a USB drive taped to a weather balloon. Every night, viewers can expect: Comedy, humor, funny moments, witty interviews, celebrities, famous people, movie stars, bits, humorous celebrities doing bits, funny celebs, big group photos of every star from Hollywood, even the reclusive ones, plus also jokes.

  • James Webb Space Telescope with Neil deGrasse Tyson and Natalie Batalha — Cosmic Queries

    56:43

    What’s the deal with the James Webb Space Telescope? On this episode, Neil deGrasse Tyson and comic co-host Matt Kirshen learn about the JWST and what new things it will help us discover with NASA astronomer Natalie Batalha and filmmaker Nathaniel Kahn.

    Will this telescope help us find habitable planets? Another Earth perhaps? We discuss Nathaniel’s new documentary, The Hunt for Planet B, which follows scientists as they research and build humanity’s largest and most cutting-edge space telescope to date. Why was it delayed so much? Where is it being launched? What new engineering and feats of science were invented? What is it like to put your entire career into one object?

    Next, we speak with Natalie and her journey to work on the JWST. Find out the two main objectives of the JWST and how it may help us glimpse into the past. We get into spectroscopy and how JWST uses infrared light. What’s the difference between JWST and other space telescopes we’ve launched in the past? Why are we looking for exoplanets? Are we planning to leave? We get into our patron’s questions: How big would a telescope have to be to see cities on other planets? Why do we choose to send up one single telescope instead of an array? What does Natalie want to discover? We explore best case and worst case scenarios. What happens if it doesn’t deploy properly?

    What will JWST see that Hubble can’t? What would be the most exciting or surprising thing for it to detect? Can the telescope detect life? What about extrasolar objects like ‘Omuamua? What is the mechanism for how our moon formed? What is the usable lifespan of JWST? And finally, how will JWST further shape future generations’ vision of this world, just as Hubble had for the last generation of scientists?

    Thanks to our Patrons Stefan Fox, Cortex MC, Brenton Verlo, taylor primm, Charles Shieler, Alden Doolittle, and Thomas Harshbarger 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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    00:00 - Beginning of Part 1 w/ Filmmaker Nathaniel Kahn
    2:23 - James Webb Space Telescope documentary The Hunt for Planet B
    6:45 - What is the JWST observing?
    10:48 - Where is the JWST getting launched?
    11:48 - The engineering of JWST
    13:17 - The process behind The Hunt for Planet B
    15:18 - How did the documentary's focus shift during its filming?
    19:56 - Where to watch The Hunt for Planet B
    20:41 - Beginning of Part 2 w/ NASA Astronomer Natalie Batalha
    21:37 - What is the Kepler Space Telescope?
    26:51 - How big would our telescopes have to be to see cities on other planets?
    29:28 - Why do we send one big telescope instead of multiple small telescopes?
    31:22 - What is JWST's priority?
    35:49 - How confident are we in JWST's success?
    39:47 - What can JWST do that Hubble can't?
    42:14 - What is the most exciting thing that JWST could detect?
    45:55 - Will JWST help us find extrasolar objects?
    48:15 - Do we understand how our moon formed?
    50:05 - How will JWST shape our vision of the universe?
    53:01 - What is the lifespan of JWST?

  • Neil deGrasse Tyson Explains Space Telescopes

    16:24

    How did the first space telescope arrive in orbit? Neil deGrasse Tyson and comic co-host Chuck Nice explore the literal rise of telescopes from Earth into space. You’ll find out what telescopes were called before they were called telescopes. Discover more about early refractive telescopes and their issues with chromatic aberration. Then, you’ll hear how Sir Isaac Newton came in and changed the telescope industry for good by inventing the reflecting telescope. Neil explains why Earth’s atmosphere prevents you from seeing clear images from the ground. Take a trip through the space telescope hall of fame as we discuss the Hubble Space Telescope, the Spitzer Space Telescope, the Chandra X-ray Observatory, the Compton Gamma Ray Observatory, and the soon to be launched James Webb Space Telescope. Lastly, you’ll learn why Hubble might be the most successful science instrument of all time. All that, plus, Neil shares why the different bands of light act as different dialects for the language of the universe.

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  • Neil deGrasse Tyson on sun disappearing

    1:47

    What would happen if you woke up one day and the sun was just gone? Neil deGrasse Tyson explains this improbable astrophysics question.

    Produced by Darren Weaver and Kamelia Angelova. Additional production by Kevin Reilly and Rob Ludacer.

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  • Neil deGrasse Tyson explains significance of Richard Bransons space flight

    9:34

    Astrophysicist Neil deGrasse Tyson explains what Richard Branson's space flight could mean for the future of space tourism.

    #CNN #News

  • The Leap Year as Explained by Neil deGrasse Tyson | StarTalk

    3:22

    Neil deGrasse Tyson explains the logic behind the leap year, with a brief history in calendars as well.
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    Host Neil deGrasse Tyson brings together celebrities, scientists and comedians to explore a variety of cosmic topics and collide pop culture with science in a way that late-night television has never seen before. Weekly topics range from popular science fiction, space travel, extraterrestrial life, the Big Bang, to the future of Earth and the environment. Tyson is an astrophysicist with a gifted ability to connect with everyone, inspiring us all to to keep looking up.

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  • Neil deGrasse Tyson Explains The North Star

    15:01

    Is the north star the brightest in the night sky? On this explainer, Neil deGrasse Tyson and comic co-host Chuck Nice explain everything you wish to know about the North Star. Do all your dreams really come true?

    What is the North Star? Where is it in the night sky? Are stars in Hollywood burning thermonuclear fuel in their core? We discuss how culturally entrenched wishing on a star is, why the North Star– Polaris– has significance, and why so many people can’t seem to spot it. We break down long exposure photos of the night sky and the constellations in the southern hemisphere. Is there a “south star”? Plus, hear Chuck’s impersonation of Venus getting mistaken for Polaris and more!

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  • Neil DeGrasse Tyson On Who Started The Universe, Stephen Hawkings Legacy & Trumps Space Force

    28:46

    Originally Published: October 8, 2018
    Celebrated astrophysicist Neil deGrasse Tyson discusses a range of topics during his most recent ‘Larry King Now’ appearance, including NASA’s new initiatives, leaders who lie, religion, & Elon Musk.

    #NeilDeGrasseTyson #LarryKingNow #Trump

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  • Neil deGrasse Tyson Explains Nothing

    13:45

    In this StarTalk video, we’re talking about nothing. Not in the Seinfeldian sense, but in the science sense. What is nothing? Neil explains how our usual definition of something being “nothing” is dictated by our senses.

    What if you wanted to get all the way down to true nothing? Well, even when there’s nothing, there’s air molecules, and a lot of them. So, what happens when you take out the air molecules? Find out just how much air molecules permeate in our environment, in our solar system, in interstellar space, and intergalactic space.

    Then, just when you think you truly have nothing, you’ll hear how quantum physics comes into play. Discover more about virtual particles and why the best “nothing” you could have is filled with virtual particles. All that, plus, we debate if being able to describe something that is nothing makes it something.

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  • Neil deGrasse Tyson Explains The Strawberry Moon

    4:30

    Everyone's favorite astrophysicist pays a visit to The Late Show and explains that (spoiler alert) these special moons aren't so special after all.

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    ---
    Stephen Colbert took over as host of The Late Show on Tuesday, Sept. 8, 2015. Colbert is best known for his work as a television host, writer, actor, and producer, and best known for his charity work teaching English as a second language on Tunisian date farms. Prior to joining the CBS family -- and being officially adopted by network president Les Moonves -- Colbert helmed “The Colbert Report,” which aired nearly 1,500 episodes and required Stephen to wear nearly 1,500 different neckties. The program received two Peabody Awards, two Grammy Awards, and several unwelcome shoulder massages. It won two Emmys for Outstanding Variety Series in 2013 and 2014, both of which appear to have been lost in the move. Colbert is pronounced koʊlˈbɛər, according to Wikipedia. His understudy is William Cavanaugh, who will be hosting The Late Show approximately one third of the time. Good luck, Bill!

  • Neil DeGrasse Tyson: Blackholes and Other Cosmic Quandries

    1:40:17

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    Recorded February 1, 2007 at 92nd Street Y.

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  • Neil deGrasse Tyson Explains the Smallness of Molecules

    15:09

    How small is a molecule? In this StarTalk explainer, Neil deGrasse Tyson and comic co-host Chuck Nice are here to help you visualize a molecule’s actual size.

    To start, Neil gives his favorite thought experiment to help us understand the size of molecules. You’ll learn why this leads Chuck to say he’s never drinking water again. Discover more about “quantum construction” and building things on a molecular level. You’ll learn about Avogadro's number and measuring things in mole.

    We explore why it’s remarkable that we were even able to discover molecules at all. Neil explains how our five senses held us back from discovering things until we invented ways outside our senses to discover them. All that, plus, we discuss why there’s a philosophical issue in our own physiology when it comes to communicating things of extraordinary size in the universe.

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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

  • The Daily Show - Neil deGrasse Tyson

    6:39

    Astrophysicist and StarTalk host Neil deGrasse Tyson considers the likelihood of living on Mars and weighs in on the Batman versus Superman debate.

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  • Neil deGrasse Tyson Explains: Do Summer Days Get Longer?

    17:22

    Days get longer in the summer and shorter in the winter, right? That’s what we’ve all heard. Well, Neil deGrasse Tyson and comic co-host Chuck Nice are here to explore the science behind the saying.

    We start by exploring our relationship with the night sky. You’ll hear why most people who live in a city tend not to foster a relationship with the night sky. Neil tells us when his fascination with the universe began. You’ll learn what aspect of Daylight saving time Neil found odd as a child.

    Then, we discuss why the phrase “days get longer in the summer and shorter in the winter” might actually be reverse of what’s true. Discover more about the equinox. Neil and Chuck chat about the Banana Boat Song. All that, plus, Neil makes a case to change the first day of the summer to the middle of the summer.

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  • Black Holes with Neil deGrasse Tyson | Wheel Of Science

    6:53

    On the premiere episode of Wheel Of Science, Neil deGrasse Tyson and Chuck Nice answer fan questions about black holes. Learn what would happen to you during spaghettification and what's on the other side of a black hole.

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  • Neil Degrasse Tyson Explains How The Earths Rotation Affects Football

    6:32

    Garbage Time with Katie Nolan: Super Bowl Edition. Katie Nolan and Neil Degrasse Tyson talk fantasy football's purpose, how the earth's rotation affects kickers, and how the Patriots make it look so easy.

  • Neil deGrasse Tyson: Glaciers, Land Mass and Earths Rotation

    2:58

    How does continental land mass effect the Earth's rotation? Can earthquakes and melting glaciers alter the moment of inertia and the rate of Earth's rotation? Find out when Neil deGrasse Tyson answers a fan's Cosmic Query for comic co-host Chuck Nice. If you love StarTalk Radio, don't miss out on any StarTalk news. Sign up for our free newsletter:

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  • Neil deGrasse Tyson explains how the earth became pear-shaped

    3:58

    Astrophysicist Neil DeGrasse Tyson explains wants to talk about the shape and the size of the earth. Watch the full talk here:

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  • Neil deGrasse Tyson and Mike Senese explain how the Earths tilt causes seasons

    2:55

    A clip from HowStuffWorks: Summer with an explanation and cool demonstration about the Big Whack tilted the Earth, causing it to have seasons.

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