Description given on Youtube:
Take a look… A VERY special guest, LeVar Burton, explains how Double Rainbows are formed.
Link to the Kickstarter:
Additional Credits:
Lou Winkler – Camera Operator (Missoula Unit)
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Sources:
http://atmo.tamu.edu/weather-and-climate/weather-whys/695-double-rainbows
http://www.straightdope.com/columns/read/2279/what-causes-double-rainbows
http://www.accuweather.com/en/weather-news/what-is-a-double-rainbow-1/33889
http://www.waow.com/story/12510144/how-do-double-rainbows-form
http://epod.usra.edu/blog/2011/05/alexanders-dark-band-and-double-rainbow.html
http://www.atoptics.co.uk/rainbows/adband.htm
http://www.livescience.com/22218-how-twinned-rainbows-form.html
http://www.sciencedaily.com/releases/2012/08/120806151415.htm
http://www.atoptics.co.uk/rainbows/twin1.htm
http://www.bbc.co.uk/news/science-environment-15197774
http://photoblog.nbcnews.com/_news/2011/10/05/8173218-whoa-its-a-quadruple-rainbow
http://www.atoptics.co.uk/rainbows/orders.htm
http://hyperphysics.phy-astr.gsu.edu/hbase/atmos/supnum.html