PBS Space Time

Blast off into the cosmos with astrophysicist Matt O'Dowd.

Episodes

  • How Do We Know What Stars Are Made Of?: asset-mezzanine-16x9
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    How Do We Know What Stars Are Made Of?

    S6 Ep26 |
    This how we finally figured them out.
  • Can You Trust Your Eyes in Spacetime?: asset-mezzanine-16x9
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    Can You Trust Your Eyes in Spacetime?

    S1 Ep29 |
    This week on Spacetime, we take a detour into how geometry works in spacetime.
  • The Leap Second Explained: asset-mezzanine-16x9
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    The Leap Second Explained

    S1 Ep28 |
    Every once in a while we add a second onto our days.
  • Can a Circle Be a Straight Line?: asset-mezzanine-16x9
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    Can a Circle Be a Straight Line?

    S1 Ep27 |
    General Relativity! Spacetime! And... Curved Lines?
  • The Calendar, Australia & White Christmas: asset-mezzanine-16x9
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    The Calendar, Australia & White Christmas

    S1 Ep26 |
    Southern and northern hemispheres experience opposite seasons... So could it happen?
  • How to Signal Aliens: asset-mezzanine-16x9
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    How to Signal Aliens

    S1 Ep25 |
    Everyone has their own opinion as to whether or not aliens exist.
  • Is Gravity An Illusion?: asset-mezzanine-16x9
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    Is Gravity An Illusion?

    S1 Ep24 |
    Most of us take gravity as an assumed part of our living realities, but why?
  • Habitable Exoplanets Debunked!: asset-mezzanine-16x9
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    Habitable Exoplanets Debunked!

    S1 Ep23 |
    Kepler 186f rekindled our hopes and dreams of colonizing space.
  • Could You Fart Your Way to the Moon?: asset-mezzanine-16x9
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    Could You Fart Your Way to the Moon?

    S1 Ep21 |
    Can you fart your way through space?

Specials

  • Strange Stars: asset-mezzanine-16x9
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    Strange Stars

    These stars may be the most massive stellar remnant just shy of forming a black hole.

About PBS Space Time

PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down the both the basic and incredibly complex sides of space and time.