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Crash Course Astronomy
The Earth: Crash Course Astronomy #11
Season 1
Episode 11
Phil starts the planet-by-planet tour of the solar system right here at home, Earth.
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9:57
Phil takes a look at the explosive history of our cosmic backyard.
9:41
Phil looks at how gravity plays out across the universe.
9:45
Phil takes you through the cause and name of the Moon's phases.
9:28
Take a look at the cyclical phenomena that we can see at work in the universe.
11:16
Take a look at all the incredible things you can see with your naked eye.
12:11
Get to know host Phil Plait and begin with answering a simple question: what is astronomy?