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Neutron Stars: Crash Course Astronomy #32

Neutron Stars: Crash Course Astronomy #32

Neutron Stars: Crash Course Astronomy #32

12:42

Black Holes: Crash Course Astronomy #33

Black Holes: Crash Course Astronomy #33

Black Holes: Crash Course Astronomy #33

12:11

Binary and Multiple Stars: Crash Course Astronomy #34

Binary and Multiple Stars: Crash Course Astronomy #34

Binary and Multiple Stars: Crash Course Astronomy #34

11:46

Star Clusters: Crash Course Astronomy #35

Star Clusters: Crash Course Astronomy #35

Star Clusters: Crash Course Astronomy #35

10:21

Nebulae: Crash Course Astronomy #36

Nebulae: Crash Course Astronomy #36

Nebulae: Crash Course Astronomy #36

12:01

The Milky Way: Crash Course Astronomy #37

The Milky Way: Crash Course Astronomy #37

The Milky Way: Crash Course Astronomy #37

10:59

Galaxies, part 1: Crash Course Astronomy #38

Galaxies, part 1: Crash Course Astronomy #38

Galaxies, part 1: Crash Course Astronomy #38

11:51

Galaxies, part 2: Crash Course Astronomy #39

Galaxies, part 2: Crash Course Astronomy #39

Galaxies, part 2: Crash Course Astronomy #39

15:20

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

Crash Course Astronomy

High Mass Stars: Crash Course Astronomy #31

Season 1 Episode 31

Massive stars fuse heavier elements in their cores than lower mass stars. This leads to the creation of heavier elements up to iron. Iron robs critical energy from the core, causing it to collapse. The resulting supernova creates even more heavy elements, scattering them through space.

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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