Season 1
The Oort Cloud: Crash Course Astronomy #22
WeÕre heading to the outskirts of the solar system.
The Oort Cloud: Crash Course Astronomy #22
Comets: Crash Course Astronomy #21
Comets are chunks of ice and rock that orbit the Sun.
Comets: Crash Course Astronomy #21
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
Uranus & Neptune: Crash Course Astronomy #19
WeÕre rounding out our planetary tour with ice giants Uranus and Neptune.
Uranus & Neptune: Crash Course Astronomy #19
Saturn: Crash Course Astronomy #18
Saturn is the crown jewel of the solar system, beautiful and fascinating
Saturn: Crash Course Astronomy #18
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
Jupiter: Crash Course Astronomy #16
Jupiter is the biggest planet in our solar system.
Jupiter: Crash Course Astronomy #16
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
Venus: Crash Course Astronomy #14
Venus is a gorgeous naked-eye planet, hanging like a diamond in the twilight.
Venus: Crash Course Astronomy #14
Mercury: Crash Course Astronomy #13
Mercury is the closest planet to the sun.
Mercury: Crash Course Astronomy #13
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
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
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
Introduction to the Solar System: Crash Course Astronomy #9
Phil takes a look at the explosive history of our cosmic backyard.
Introduction to the Solar System: Crash Course Astronomy #9
Tides: Crash Course Astronomy #8
What is the relationship between tides and gravity?
Tides: Crash Course Astronomy #8
The Gravity of the Situation: Crash Course Astronomy #7
Phil looks at how gravity plays out across the universe.
The Gravity of the Situation: Crash Course Astronomy #7
Telescopes: Crash Course Astronomy #6
Today Phil explains how telescopes work
Telescopes: Crash Course Astronomy #6
Moon Phases: Crash Course Astronomy #4
Phil takes you through the cause and name of the Moon's phases.
Moon Phases: Crash Course Astronomy #4
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
Naked Eye Observations: Crash Course Astronomy #2
Take a look at all the incredible things you can see with your naked eye.
Naked Eye Observations: Crash Course Astronomy #2
Introduction to Astronomy: Crash Course Astronomy #1
Get to know host Phil Plait and begin with answering a simple question: what is astronomy?