Published On Feb 13, 2015
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/crashcourse
Check out the Crash Course Astronomy solar system poster here: http://store.dftba.com/products/crash...
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As promised, Phil's sun spotting recommendations:
Astronomers Without Borders (charitable org): http://store.astronomerswithoutborder...
Rainbow Symphony glasses: http://www.rainbowsymphony.com/solecl...
Wide variety of viewers from Rainbow Symphony: http://www.eclipseglasses2017.com/buy...
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Chapters:
Introduction 00:00
How Do Solar Eclipses Work? 0:52
Umbra & Penumbra 2:04
The Sun's Corona 3:17
Solar Eclipse Totality 4:14
Annular Eclipse 5:09
Can You Look at a Solar Eclipse? 5:32
Lunar Eclipses 6:54
Size of the Earth and Moon 8:24
Review 9:27
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PHOTOS/VIDEOS
http://svs.gsfc.nasa.gov/cgi-bin/deta...
http://www.nasa.gov/audience/forstude...
http://en.wikipedia.org/wiki/Eclipse#...
http://en.wikipedia.org/wiki/Solar_ec...
http://commons.wikimedia.org/wiki/Fil...
http://en.wikipedia.org/wiki/Solar_ec...
http://philhart.smugmug.com/Sun/Queen...
http://svs.gsfc.nasa.gov/cgi-bin/deta...
http://philhart.smugmug.com/Sun/Queen...
http://philhart.smugmug.com/Sun/Queen...
• ScienceCasts: Solar Eclipse in the USA
http://en.wikipedia.org/wiki/Solar_ec...
http://commons.wikimedia.org/wiki/Fil...
http://svs.gsfc.nasa.gov/cgi-bin/deta...
http://en.wikipedia.org/wiki/File:Lun...
http://svs.gsfc.nasa.gov/cgi-bin/deta...
http://en.wikipedia.org/wiki/Lunar_ec...
http://svs.gsfc.nasa.gov/cgi-bin/deta...