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Crash Course Astronomy
Introduction to the Solar System: Crash Course Astronomy #9
Season 1
Episode 9
In today's Crash Course Astronomy, Phil takes a look at the explosive history of our cosmic backyard. We explore how we went from a giant ball of gas to the system of planets and other celestial objects we have today.
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11:44
Take a look at the two-octillion ton star that rules our solar system.
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?