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Crash Course Astronomy

A Brief History of the Universe: Crash Course Astronomy #44

Season 1 Episode 44

Thanks to the wonders of physics, astronomers can map a timeline of the universe’s history. Today, Phil’s going to give you an overview of those first few minutes (yes, MINUTES) of the universe’s life. It started with a Big Bang, when the Universe was incredibly dense and hot.

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Full Episodes
Life in the Universe: Crash Course Astronomy #46
Episode
11:09
Crash Course Astronomy

Life in the Universe: Crash Course Astronomy #46

Phil gives the course a send off with a look at some of his favorite topics.
Season 1 Episode 46
Deep Time: Crash Course Astronomy #45
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Deep Time: Crash Course Astronomy #45

Our Universe’s days are numbered.
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Dark Energy, Cosmology part 2: Crash Course Astronomy #43
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Crash Course Astronomy

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.
Season 1 Episode 43
The Big Bang, Cosmology part 1: Crash Course Astronomy #42
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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!
Season 1 Episode 42
Dark Matter: Crash Course Astronomy #41
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11:45
Crash Course Astronomy

Dark Matter: Crash Course Astronomy #41

Today on Crash Course Astronomy, Phil dives into some very dark matters.
Season 1 Episode 41
Gamma-Ray Bursts: Crash Course Astronomy #40
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13:51
Crash Course Astronomy

Gamma-Ray Bursts: Crash Course Astronomy #40

The discovery of gamma-ray bursts is an epic story.
Season 1 Episode 40
Galaxies, part 2: Crash Course Astronomy #39
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Galaxies, part 2: Crash Course Astronomy #39

Active galaxies pour out lots of energy.
Season 1 Episode 39
Galaxies, part 1: Crash Course Astronomy #38
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Crash Course Astronomy

Galaxies, part 1: Crash Course Astronomy #38

Galaxies contain gas, dust, and billions of stars or more.
Season 1 Episode 38
The Milky Way: Crash Course Astronomy #37
Episode
10:59
Crash Course Astronomy

The Milky Way: Crash Course Astronomy #37

Today we’re talking about our galactic neighborhood: The Milky Way.
Season 1 Episode 37
Nebulae: Crash Course Astronomy #36
Episode
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Crash Course Astronomy

Nebulae: Crash Course Astronomy #36

Astronomers study a lot of things, but nebulae might be the most beautiful of them all.
Season 1 Episode 36
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