Crash Course Astronomy

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

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Episodes

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    Deep Time: Crash Course Astronomy #45: asset-mezzanine-16x9
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    Deep Time: Crash Course Astronomy #45

    Our Universe’s days are numbered.
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    A Brief History of the Universe: Crash Course Astronomy #44: asset-mezzanine-16x9
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    A Brief History of the Universe: Crash Course Astronomy #44

    Thanks to the wonders of physics, we can map a timeline of the universe’s history.
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    Dark Energy, Cosmology part 2: Crash Course Astronomy #43: asset-mezzanine-16x9
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    Dark Energy, Cosmology part 2: Crash Course Astronomy #43

    Most of the universe is made up of a mysterious entity that pervades space: dark energy.
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    The Big Bang, Cosmology part 1: Crash Course Astronomy #42: asset-mezzanine-16x9
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    The Big Bang, Cosmology part 1: Crash Course Astronomy #42

    Thanks to observations of galaxy redshifts, we can tell that the universe is EXPANDING!
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    Dark Matter: Crash Course Astronomy #41: asset-mezzanine-16x9
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    Dark Matter: Crash Course Astronomy #41

    Today on Crash Course Astronomy, Phil dives into some very dark matters.
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    Gamma-Ray Bursts: Crash Course Astronomy #40: asset-mezzanine-16x9
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    Gamma-Ray Bursts: Crash Course Astronomy #40

    The discovery of gamma-ray bursts is an epic story.
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    Galaxies, part 2: Crash Course Astronomy #39: asset-mezzanine-16x9
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    Galaxies, part 2: Crash Course Astronomy #39

    Active galaxies pour out lots of energy.
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    Galaxies, part 1: Crash Course Astronomy #38: asset-mezzanine-16x9
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    Galaxies, part 1: Crash Course Astronomy #38

    Galaxies contain gas, dust, and billions of stars or more.

About Crash Course Astronomy

Welcome to school without the classroom! Join host Phil Plait and discover everything there is to know about the cosmos.

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