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?"

Check out the Crash Course Astronomy solar system poster here: store.dftba.com/products/crash...

--

Chapters:
Introduction 00:00
What is Astronomy? 3:00
Who Studies Astronomy? 3:50
Origins of Astronomy 5:27
Astrology vs Astronomy 6:19
Geocentrism 7:51
Revolutions in Astronomy 8:58
Astronomy Today 10:26
Review 11:29

--

PBS Digital Studios: youtube.com/pbsdigitalstudios
Follow Phil on Twitter: twitter.com/badastronomer

Crash Course is on Patreon! You can support us directly by signing up at www.patreon.com/crashcourse

Want to find Crash Course elsewhere on the internet?
Facebook - www.facebook.com/YouTubeCrashCourse
Twitter - www.twitter.com/TheCrashCourse
Instagram - www.instagram.com/thecrashcourse/

CC Kids: youtube.com/crashcoursekids

--

Photos:
commons.wikimedia.org/wiki/File:Earth_cutaway.png
en.wikipedia.org/wiki/Earth%27s_magnetic_field#med…
en.wikipedia.org/wiki/Geomagnetic_storm#mediaviewe…
en.wikipedia.org/wiki/Saturn#mediaviewer/File:Satu…
en.wikipedia.org/wiki/243_Ida#mediaviewer/File:243…
commons.wikimedia.org/wiki/File:Comet_Hale_Bopp_NA…
solarviews.com/raw/comet/kuiper3.jpg
solarviews.com/cap/comet/kuiper3.htm
en.wikipedia.org/wiki/List_of_nearest_bright_stars…
www.slate.com/blogs/bad_astronomy/2013/06/28/plane…
www.slate.com/blogs/bad_astronomy/2013/06/06/milky…
en.wikipedia.org/wiki/Black_hole#mediaviewer/File:…
commons.wikimedia.org/wiki/File:Messier_69_HST.jpg
www.slate.com/blogs/bad_astronomy/2013/06/25/nearb…
upload.wikimedia.org/wikipedia/commons/0/0f/Earth%…
www.slate.com/blogs/bad_astronomy/2013/03/21/age_o…
www.esa.int/spaceinimages/Images/2007/02/True-colo…
en.wikipedia.org/wiki/Andromeda_Galaxy#mediaviewer…
en.wikipedia.org/wiki/Triangulum_Galaxy#mediaviewe…
en.wikipedia.org/wiki/Hubble_Space_Telescope#media…
www.slate.com/blogs/bad_astronomy/2013/12/21/winte…
www.slate.com/blogs/bad_astronomy/2012/12/28/full_…
en.wikipedia.org/wiki/Nicolaus_Copernicus#mediavie…
en.wikipedia.org/wiki/Tycho_Brahe#mediaviewer/File…
en.wikipedia.org/wiki/Johannes_Kepler#mediaviewer/…
en.wikipedia.org/wiki/Isaac_Newton#mediaviewer/Fil…
en.wikipedia.org/wiki/Galileo_Galilei#mediaviewer/…
www.slate.com/blogs/bad_astronomy/2012/09/25/revea…