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Naked Eye Observations: Crash Course Astronomy #2

Naked Eye Observations: Crash Course Astronomy #2

Season 1 Episode 2
11:16
Cycles in the Sky: Crash Course Astronomy #3

Cycles in the Sky: Crash Course Astronomy #3

Season 1 Episode 3
9:28
Moon Phases: Crash Course Astronomy #4

Moon Phases: Crash Course Astronomy #4

Season 1 Episode 4
9:45
Eclipses: Crash Course Astronomy #5

Eclipses: Crash Course Astronomy #5

Season 1 Episode 5
10:10
Telescopes: Crash Course Astronomy #6

Telescopes: Crash Course Astronomy #6

Season 1 Episode 6
11:59
The Gravity of the Situation: Crash Course Astronomy #7

The Gravity of the Situation: Crash Course Astronomy #7

Season 1 Episode 7
9:41
Tides: Crash Course Astronomy #8

Tides: Crash Course Astronomy #8

Season 1 Episode 8
9:46
Introduction to the Solar System: Crash Course Astronomy #9

Introduction to the Solar System: Crash Course Astronomy #9

Season 1 Episode 9
9:57
The Sun: Crash Course Astronomy #10

The Sun: Crash Course Astronomy #10

Season 1 Episode 10
11:44
The Earth: Crash Course Astronomy #11

The Earth: Crash Course Astronomy #11

Season 1 Episode 11
10:13
The Moon: Crash Course Astronomy #12

The Moon: Crash Course Astronomy #12

Season 1 Episode 12
9:47
Mercury: Crash Course Astronomy #13

Mercury: Crash Course Astronomy #13

Season 1 Episode 13
10:17
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Crash Course Astronomy

Introduction to Astronomy: Crash Course Astronomy #1

Season 1 Episode 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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