Eclipses: Crash Course Astronomy #5

The big question in the comments last week was, "BUT WHAT ABOUT ECLIPSES?" Today, Phil breaks 'em down for you.This episode is sponsored by Squarespace: http://www.squarespace.com/crashcourseCheck out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crashcourse-astronomy-poster--As promised, Phil's sun spotting recommendations:Astronomers Without Borders (charitable org): http://store.astronomerswithoutborders.org/index.php?main_page=product_info&cPath=8&products_id=3Rainbow Symphony glasses: http://www.rainbowsymphony.com/soleclipse.htmlWide variety of viewers from Rainbow Symphony: http://www.eclipseglasses2017.com/buy-eclipse-glasses--Chapters:Introduction 00:00How Do Solar Eclipses Work? 0:52Umbra & Penumbra 2:04The Sun's Corona 3:17Solar Eclipse Totality 4:14Annular Eclipse 5:09Can You Look at a Solar Eclipse? 5:32Lunar Eclipses 6:54Size of the Earth and Moon 8:24Review 9:27--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--PHOTOS/VIDEOShttp://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4158http://www.nasa.gov/audience/forstudents/k-4/stories/solar-eclipse-diagram/#.VMFSKGTF_Z0http://en.wikipedia.org/wiki/Eclipse#mediaviewer/File:Geometry_of_a_Total_Solar_Eclipse.svghttp://en.wikipedia.org/wiki/Solar_eclipse_of_September_22,_2006#mediaviewer/File:Helder_da_Rocha_-_Partial_solar_eclipse_(by-sa).jpghttp://commons.wikimedia.org/wiki/File:Solar_eclipse_2008Feb07-New_Zealand-partial-Greg_Hewgill.jpghttp://en.wikipedia.org/wiki/Solar_eclipse#mediaviewer/File:The_Patrial_Eclipse.jpghttp://philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-qjqMzzKhttp://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11128http://philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-mMSf6gBhttp://philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-LffKLrfhttps://www.youtube.com/watch?v=7YX2blo1eRkhttp://en.wikipedia.org/wiki/Solar_eclipse#mediaviewer/File:Annular_Eclipse._Taken_from_Middlegate,_Nevada_on_May_20,_2012.jpghttp://commons.wikimedia.org/wiki/File:Geometry_of_a_Lunar_Eclipse.svghttp://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10787http://en.wikipedia.org/wiki/File:Lunar_eclipse_April_15_2014_California_Alfredo_Garcia_Jr1.jpghttp://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10787http://en.wikipedia.org/wiki/Lunar_eclipse#mediaviewer/File:Lunar_eclipse_oct_8_2014_Minneapolis_4_46am.pnghttp://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4155