Season 1

Video thumbnail: Crash Course Astronomy Asteroids: Crash Course Astronomy #20

Crash Course Astronomy

Asteroids: Crash Course Astronomy #20

Now that weÕve finished our tour of the planets, weÕre headed back to the asteroid belt.

Asteroids: Crash Course Astronomy #20

Video thumbnail: Crash Course Astronomy Uranus & Neptune: Crash Course Astronomy #19

Crash Course Astronomy

Uranus & Neptune: Crash Course Astronomy #19

WeÕre rounding out our planetary tour with ice giants Uranus and Neptune.

Uranus & Neptune: Crash Course Astronomy #19

Video thumbnail: Crash Course Astronomy Saturn: Crash Course Astronomy #18

Crash Course Astronomy

Saturn: Crash Course Astronomy #18

Saturn is the crown jewel of the solar system, beautiful and fascinating

Saturn: Crash Course Astronomy #18

Video thumbnail: Crash Course Astronomy Jupiter's Moons: Crash Course Astronomy #17

Crash Course Astronomy

Jupiter's Moons: Crash Course Astronomy #17

Before moving on from Jupiter, weÕre going to linger for a moment on the planet's moons.

Jupiter's Moons: Crash Course Astronomy #17

Video thumbnail: Crash Course Astronomy Mars: Crash Course Astronomy #15

Crash Course Astronomy

Mars: Crash Course Astronomy #15

Mar is the fourth planet from the sun and the outermost of the terrestrial planets.

Mars: Crash Course Astronomy #15

Video thumbnail: Crash Course Astronomy Venus: Crash Course Astronomy #14

Crash Course Astronomy

Venus: Crash Course Astronomy #14

Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight.

Venus: Crash Course Astronomy #14

Video thumbnail: Crash Course Astronomy The Moon: Crash Course Astronomy #12

Crash Course Astronomy

The Moon: Crash Course Astronomy #12

Take a look up to the moon's surface features, core, and theories about its formation.

The Moon: Crash Course Astronomy #12

Video thumbnail: Crash Course Astronomy The Earth: Crash Course Astronomy #11

Crash Course Astronomy

The Earth: Crash Course Astronomy #11

Phil starts the planet-by-planet tour of the solar system right here at home, Earth.

The Earth: Crash Course Astronomy #11

Video thumbnail: Crash Course Astronomy The Sun: Crash Course Astronomy #10

Crash Course Astronomy

The Sun: Crash Course Astronomy #10

Take a look at the two-octillion ton star that rules our solar system.

The Sun: Crash Course Astronomy #10

Video thumbnail: Crash Course Astronomy Cycles in the Sky: Crash Course Astronomy #3

Crash Course Astronomy

Cycles in the Sky: Crash Course Astronomy #3

Take a look at the cyclical phenomena that we can see at work in the universe.

Cycles in the Sky: Crash Course Astronomy #3

Video thumbnail: Crash Course Astronomy Introduction to Astronomy: Crash Course Astronomy #1

Crash Course Astronomy

Introduction to Astronomy: Crash Course Astronomy #1

Get to know host Phil Plait and begin with answering a simple question: what is astronomy?

Introduction to Astronomy: Crash Course Astronomy #1