Introduction to Astronomy: Crash Course Astronomy #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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Table of Contents:
What is Astronomy? 3:00
Who Studies Astronomy? 3:50
Origins & Developments 6:52

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Photos:

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