Moon Phases: Crash Course Astronomy #4

In this episode of Crash Course Astronomy, Phil takes you through the cause and name of the Moon's phases.Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-astronomy-poster--Chapters:Why does the Moon Have Phases? 00:00New Moon 2:26Waxing Crescent 4:17First Quarter 4:35Waxing Gibbous 5:15Full Moon 5:32Waning Gibbous, Third Quarter, and Waning Crescent 6:26Earthshine 7:20Review 8:58--PBS Digital Studios: http://youtube.com/pbsdigitalstudiosFollow Phil on Twitter: https://twitter.com/badastronomerCrash Course is on Patreon! You can support us directly by signing up at http://www.patreon.com/crashcourseWant to find Crash Course elsewhere on the internet?Facebook - http://www.facebook.com/YouTubeCrashCourseTwitter - http://www.twitter.com/TheCrashCourseInstagram - https://www.instagram.com/thecrashcourse/CC Kids: http://www.youtube.com/crashcoursekids--PHOTOShttp://en.wikipedia.org/wiki/Moon#mediaviewer/File:FullMoon2010.jpghttps://solarsystem.nasa.gov/multimedia/display.cfm?IM_ID=1879http://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.0505.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.0553.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.0634.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.0706.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.0809.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.0905.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.1011.jpghttp://svs.gsfc.nasa.gov/vis/a000000/a004200/a004236/frames/730x730_1x1_30p/moon.1145.jpghttp://en.wikipedia.org/wiki/Moon#mediaviewer/File:NASA-Apollo8-Dec24-Earthrise.jpghttp://global.jaxa.jp/press/2008/04/img/20080411_kaguya_01l.jpghttp://global.jaxa.jp/press/2008/04/20080411_kaguya_e.htmlhttp://www.esa.int/Our_Activities/Operations/First_view_of_Earth_as_Rosetta_approaches_homehttp://commons.wikimedia.org/wiki/File:Sachin_Nigam_-_starry_moon_%28by-sa%29.jpghttps://www.flickr.com/photos/badastronomy/14397419837/