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9:29
YouTube
CrashCourse
Cycles in the Sky: Crash Course Astronomy #3
This week we build on our naked eye observations from last week and take a look at the cyclical phenomena that we can see at work in the universe. Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-astronomy-poster -- Chapters: Introduction 00:00 Cycles in the Sky 0:42 The Zodiac 2:10 ...
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