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Gamma-Ray Bursts: Crash Course Astronomy #40

Gamma-Ray Bursts: Crash Course Astronomy #40

Gamma-Ray Bursts: Crash Course Astronomy #40

13:51

Dark Matter: Crash Course Astronomy #41

Dark Matter: Crash Course Astronomy #41

Dark Matter: Crash Course Astronomy #41

11:45

The Big Bang, Cosmology part 1: Crash Course Astronomy #42

The Big Bang, Cosmology part 1: Crash Course Astronomy #42

The Big Bang, Cosmology part 1: Crash Course Astronomy #42

13:09

Dark Energy, Cosmology part 2: Crash Course Astronomy #43

Dark Energy, Cosmology part 2: Crash Course Astronomy #43

Dark Energy, Cosmology part 2: Crash Course Astronomy #43

11:08

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

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

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

12:21

Deep Time: Crash Course Astronomy #45

Deep Time: Crash Course Astronomy #45

Deep Time: Crash Course Astronomy #45

15:00

Life in the Universe: Crash Course Astronomy #46

Life in the Universe: Crash Course Astronomy #46

Life in the Universe: Crash Course Astronomy #46

11:09

The Moon: Crash Course Astronomy #12

The Moon: Crash Course Astronomy #12

The Moon: Crash Course Astronomy #12

4:41

Why Ships Crash

Why Ships Crash

Why Ships Crash

53:31

Two Rivers

Two Rivers

Two Rivers

50:30

Lionel Richie: Gershwin Prize

Lionel Richie: Gershwin Prize

Lionel Richie: Gershwin Prize

55:24

Crash Course Astronomy

Galaxies, part 2: Crash Course Astronomy #39

Season 1 Episode 39

Active galaxies pour out lots of energy, due to their central supermassive black holes gobbling down matter. Galaxies tend not to be loners, but instead exist in smaller groups and larger clusters. Our Milky Way is part of the Local Group, and will one day collide with the Andromeda galaxy.

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Full Episodes

Life in the Universe: Crash Course Astronomy #46

Life in the Universe: Crash Course Astronomy #46

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

Deep Time: Crash Course Astronomy #45

Crash Course Astronomy

Deep Time: Crash Course Astronomy #45

Our Universe’s days are numbered.

Season 1 Episode 45

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

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

Crash Course Astronomy

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.

Season 1 Episode 44

Dark Energy, Cosmology part 2: Crash Course Astronomy #43

Dark Energy, Cosmology part 2: Crash Course Astronomy #43

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

The Big Bang, Cosmology part 1: Crash Course Astronomy #42

Crash Course Astronomy

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

Dark Matter: Crash Course Astronomy #41

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

Gamma-Ray Bursts: Crash Course Astronomy #40

Crash Course Astronomy

Gamma-Ray Bursts: Crash Course Astronomy #40

The discovery of gamma-ray bursts is an epic story.

Season 1 Episode 40