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Crash Course Astronomy

Introduction to Astronomy: Crash Course Astronomy #1

Season 1 Episode 1

Welcome to the first episode of Crash Course Astronomy. Your host for this intergalactic adventure is the Bad Astronomer himself, Phil Plait. We begin with answering a question: "What is astronomy?"

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The Oort Cloud: Crash Course Astronomy #22
11:40
We're heading to the outskirts of the solar system.
Comets: Crash Course Astronomy #21
11:54
Comets are chunks of ice and rock that orbit the Sun.
Asteroids: Crash Course Astronomy #20
11:32
Now that we've finished our tour of the planets, we're headed back to the asteroid belt.
Uranus & Neptune: Crash Course Astronomy #19
12:15
We're rounding out our planetary tour with ice giants Uranus and Neptune.
Saturn: Crash Course Astronomy #18
12:12
Saturn is the crown jewel of the solar system, beautiful and fascinating
Jupiter's Moons: Crash Course Astronomy #17
10:26
Before moving on from Jupiter, we're going to linger for a moment on the planet's moons.
Jupiter: Crash Course Astronomy #16
10:42
Jupiter is the biggest planet in our solar system.
Mars: Crash Course Astronomy #15
10:11
Mar is the fourth planet from the sun and the outermost of the terrestrial planets.
Venus: Crash Course Astronomy #14
10:46
Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight.
Mercury: Crash Course Astronomy #13
10:17
Mercury is the closest planet to the sun.
The Moon: Crash Course Astronomy #12
9:47
Take a look up to the moon's surface features, core, and theories about its formation.
The Earth: Crash Course Astronomy #11
10:13
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
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