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.
  • Low Mass Stars: Crash Course Astronomy #29: asset-mezzanine-16x9
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    Low Mass Stars: Crash Course Astronomy #29

    S1 Ep29 |
    Today we are talking about the life -- and death -- of stars.
  • Brown Dwarfs: Crash Course Astronomy #28: asset-mezzanine-16x9
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    Brown Dwarfs: Crash Course Astronomy #28

    S1 Ep28 |
    Brown dwarfs have a mass that places them between giant planets and small stars.
  • Exoplanets: Crash Course Astronomy #27: asset-mezzanine-16x9
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    Exoplanets: Crash Course Astronomy #27

    S1 Ep27 |
    There are many other planets outside of our own solar system, but finding them is tricky.
  • Stars: Crash Course Astronomy #26: asset-mezzanine-16x9
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    Stars: Crash Course Astronomy #26

    S1 Ep26 |
    Phil explains stars and how they can be categorized using their spectra.
  • Distances: Crash Course Astronomy #25: asset-mezzanine-16x9
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    Distances: Crash Course Astronomy #25

    S1 Ep25 |
    How do astronomers make sense out of the vastness of space?
  • Light: Crash Course Astronomy #24: asset-mezzanine-16x9
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    Light: Crash Course Astronomy #24

    S1 Ep24 |
    In order to understand more of universe, we need to talk a little bit about light.
  • Meteors: Crash Course Astronomy #23: asset-mezzanine-16x9
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    Meteors: Crash Course Astronomy #23

    S1 Ep23 |
    What the difference between a meteor, meteorite, and meteoroid?
  • The Oort Cloud: Crash Course Astronomy #22: asset-mezzanine-16x9
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    The Oort Cloud: Crash Course Astronomy #22

    S1 Ep22 |
    WeÕre heading to the outskirts of the solar system.