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Jupiter: Crash Course Astronomy #16

10:42

Jupiter's Moons: Crash Course Astronomy #17

10:26

Saturn: Crash Course Astronomy #18

12:12

Uranus & Neptune: Crash Course Astronomy #19

12:15

Asteroids: Crash Course Astronomy #20

11:32

Comets: Crash Course Astronomy #21

11:54

The Oort Cloud: Crash Course Astronomy #22

11:40

Meteors: Crash Course Astronomy #23

11:21

Light: Crash Course Astronomy #24

10:33

Distances: Crash Course Astronomy #25

11:20

Stars: Crash Course Astronomy #26

10:40

Exoplanets: Crash Course Astronomy #27

11:49

Crash Course Astronomy

Mars: Crash Course Astronomy #15

Season 1 Episode 15

The fourth planet from the sun and the outermost of the terrestrial planets, Mars has long been a popular spot for missions and imagination. Phil walks you through the planet's topography, core, and features. We'll take a look back to Mars's past and makes predictions for its future, including the possibilities for human life.

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Full Episodes

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

Crash Course Astronomy

Deep Time: Crash Course Astronomy #45

Our Universe’s days are numbered.

Season 1 Episode 45

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

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

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

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

Crash Course Astronomy

Gamma-Ray Bursts: Crash Course Astronomy #40

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

Season 1 Episode 40

Crash Course Astronomy

Galaxies, part 2: Crash Course Astronomy #39

Active galaxies pour out lots of energy.

Season 1 Episode 39

Crash Course Astronomy

Galaxies, part 1: Crash Course Astronomy #38

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

Season 1 Episode 38

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

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