Eclipses: Crash Course Astronomy #5

2015-02-13

[public] 1.37M views, 21.0K likes, 445 dislikes audio only

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/crashcourse-astronomy-poster

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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=3

Rainbow Symphony glasses: http://www.rainbowsymphony.com/soleclipse.html

Wide variety of viewers from Rainbow Symphony: http://www.eclipseglasses2017.com/buy-eclipse-glasses

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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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Follow Phil on Twitter: https://twitter.com/badastronomer

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PHOTOS/VIDEOS

http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4158

http://www.nasa.gov/audience/forstudents/k-4/stories/solar-eclipse-diagram/#.VMFSKGTF_Z0

http://en.wikipedia.org/wiki/Eclipse#mediaviewer/File:Geometry_of_a_Total_Solar_Eclipse.svg

http://en.wikipedia.org/wiki/Solar_eclipse_of_September_22,_2006#mediaviewer/File:Helder_da_Rocha_-_Partial_solar_eclipse_(by-sa).jpg

http://commons.wikimedia.org/wiki/File:Solar_eclipse_2008Feb07-New_Zealand-partial-Greg_Hewgill.jpg

http://en.wikipedia.org/wiki/Solar_eclipse#mediaviewer/File:The_Patrial_Eclipse.jpg

http://philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-qjqMzzK

http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=11128

http://philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-mMSf6gB

http://philhart.smugmug.com/Sun/Queensland-Solar-Eclipse/i-LffKLrf

https://www.youtube.com/watch?v=7YX2blo1eRk

http://en.wikipedia.org/wiki/Solar_eclipse#mediaviewer/File:Annular_Eclipse._Taken_from_Middlegate,_Nevada_on_May_20,_2012.jpg

http://commons.wikimedia.org/wiki/File:Geometry_of_a_Lunar_Eclipse.svg

http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10787

http://en.wikipedia.org/wiki/File:Lunar_eclipse_April_15_2014_California_Alfredo_Garcia_Jr1.jpg

http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=10787

http://en.wikipedia.org/wiki/Lunar_eclipse#mediaviewer/File:Lunar_eclipse_oct_8_2014_Minneapolis_4_46am.png

http://svs.gsfc.nasa.gov/cgi-bin/details.cgi?aid=4155