Jump to key moments of Phil Plait Free Online Astronomy Course

Introduction to Astronomy: Crash Course Astronomy #1
12:12
Introduction to Astronomy: Crash Course Astronomy #1
5.6M viewsJan 15, 2015
YouTubeCrashCourse
Moon Phases: Crash Course Astronomy #4
9:46
Moon Phases: Crash Course Astronomy #4
4.2M viewsFeb 5, 2015
YouTubeCrashCourse
Crash Course Astronomy
Crash Course Astronomy
Dec 16, 2015
pbs.org
Tides: Crash Course Astronomy #8
9:47
Tides: Crash Course Astronomy #8
2M viewsMar 5, 2015
YouTubeCrashCourse
Mars: Crash Course Astronomy #15
10:12
Mars: Crash Course Astronomy #15
1.5M viewsApr 30, 2015
YouTubeCrashCourse
800,000 Galaxies! Most Detailed Deep-Field Yet with Bad Astronomer Phil Plait
18:46
800,000 Galaxies! Most Detailed Deep-Field Yet with Bad Astronomer Phil Plait
2.5K viewsJun 18, 2025
YouTubeEarthSky
SETI Live: Under Alien Skies ft. Phil Plait, Ph.D.
39:19
SETI Live: Under Alien Skies ft. Phil Plait, Ph.D.
2.2K viewsFeb 22, 2024
YouTubeSETI Institute
13:23
The Big Bang, Cosmology part 1: Crash Course Astronomy #42
1.7M viewsDec 10, 2015
YouTubeCrashCourse
13:59
How to defend Earth from asteroids
2.5M viewsNov 21, 2011
TEDPhil Plait
10:41
Stars: Crash Course Astronomy #26
2.2M viewsJul 23, 2015
YouTubeCrashCourse
12:36
A Brief History of the Universe: Crash Course Astronomy #44
1.2M viewsJan 7, 2016
YouTubeCrashCourse
4:33
What Makes Earth and Its Moon Special in the Solar System?
457.5K viewsJan 5, 2016
YouTubeThought Café
11:21
Distances: Crash Course Astronomy #25
2.1M viewsJul 17, 2015
YouTubeCrashCourse
11:23
Everything, The Universe...And Life: Crash Course Astronomy #46
995.8K viewsJan 21, 2016
YouTubeCrashCourse
11:09
The secret to scientific discoveries? Making mistakes | Phil Plait
125.9K viewsApr 11, 2019
YouTubeTED
12:11
Crash Course Astronomy:Introduction to Astronomy: Crash Course Astronomy #1 Season 1 Episode 1
Jan 15, 2015
PBS
15:15
Deep Time: Crash Course Astronomy #45
2.3M viewsJan 15, 2016
YouTubeCrashCourse
11:33
Asteroids: Crash Course Astronomy #20
1.3M viewsJun 4, 2015
YouTubeCrashCourse
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