PBS Space Time

How Eclipses Revealed Our Solar System

Of all the astronomical phenomena you can witness, the total solar eclipse has to be the most visceral--the most in-your-face reminder that our reality consists of giant balls of rock spinning around stars. It's also the eclipse and phenomena like it that set us on the path to understanding that reality in the first place.

How Eclipses Revealed Our Solar System

15m 7s

  • Why Is The World Rushing Back To The Moon?: asset-mezzanine-16x9

    Why Is The World Rushing Back To The Moon?

    S10 E7 - 15m 36s

    The Moon has been one of the most important theoretical stepping stones to our understanding of the universe. We’ve long understood that it could also be our literal stepping stone: humanity’s first destination beyond our atmosphere.

  • How Eclipses Revealed Our Solar System: asset-mezzanine-16x9

    How Eclipses Revealed Our Solar System

    S10 E6 - 15m 7s

    Of all the astronomical phenomena you can witness, the total solar eclipse has to be the most visceral--the most in-your-face reminder that our reality consists of giant balls of rock spinning around stars. It's also the eclipse and phenomena like it that set us on the path to understanding that reality in the first place.

  • What If Gravity is Not A Fundamental Force?: asset-mezzanine-16x9

    What If Gravity is Not A Fundamental Force?

    S10 E5 - 15m 2s

    Gravity might not be a more fundamental than the force of a stretched elastic band. Maybe gravity is just an entropic byproduct—an emergent effect of the universe’s tendency to disorder. If you allow entropy to keep you in your seat for a bit, I’ll tell you all about it.

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