Crash Course Astronomy

Join host Phil Plait in a Crash Course about the cosmos.

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Episodes

  • Life in the Universe: Crash Course Astronomy #46: asset-mezzanine-16x9
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    Life in the Universe: Crash Course Astronomy #46

    S1 Ep46 |
    Phil gives the course a send off with a look at some of his favorite topics.
  • Mercury: Crash Course Astronomy #13: asset-mezzanine-16x9
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    Mercury: Crash Course Astronomy #13

    S1 Ep13 |
    Mercury is the closest planet to the sun.
  • The Moon: Crash Course Astronomy #12: asset-mezzanine-16x9
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    The Moon: Crash Course Astronomy #12

    S1 Ep12 |
    Take a look up to the moon's surface features, core, and theories about its formation.
  • The Earth: Crash Course Astronomy #11: asset-mezzanine-16x9
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    The Earth: Crash Course Astronomy #11

    S1 Ep11 |
    Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
  • The Sun: Crash Course Astronomy #10: asset-mezzanine-16x9
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    The Sun: Crash Course Astronomy #10

    S1 Ep10 |
    Take a look at the two-octillion ton star that rules our solar system.
  • Introduction to the Solar System: Crash Course Astronomy #9: asset-mezzanine-16x9
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    Introduction to the Solar System: Crash Course Astronomy #9

    S1 Ep9 |
    Phil takes a look at the explosive history of our cosmic backyard.
  • Tides: Crash Course Astronomy #8: asset-mezzanine-16x9
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    Tides: Crash Course Astronomy #8

    S1 Ep8 |
    What is the relationship between tides and gravity?
  • The Gravity of the Situation: Crash Course Astronomy #7: asset-mezzanine-16x9
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    The Gravity of the Situation: Crash Course Astronomy #7

    S1 Ep7 |
    Phil looks at how gravity plays out across the universe.
  • Telescopes: Crash Course Astronomy #6: asset-mezzanine-16x9
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    Telescopes: Crash Course Astronomy #6

    S1 Ep6 |
    Today Phil explains how telescopes work