Why is the sky blue?

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How rare are double rainbows?

How rare are double rainbows?

A double rainbow! Just the sight of one can send us babbling into happiness. Learn how rare double rainbows are to find out if you'll ever see one.

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  • Bohren, Craig F. and Eugene Edmund Clothiaux. "Fundamentals of Atmospheric Radiation: An Introduction with 400 Problems." Wiley-VCH. March 21, 2006.
  • Boyd ,Padi. "Why is the sky blue and why is the Sun red at sunrise and sunset (taking into account the properties of interstellar dust)?" NASA Goddard Space Flight Center: Ask an Astrophysicist. June 11, 1997. (June 16, 2011) http://imagine.gsfc.nasa.gov/docs/ask_astro/answers/970611f.html
  • Encyclopedia Britannica. "Scattering (Color)." Encyclopedia Britannica Online. 2011. (June 14, 2011) http://www.britannica.com/EBchecked/topic/126658/colour/21861/Scattering
  • Fitzpatrick, Richard. "Rayleigh Scattering." Feb. 2, 2002. (June 13, 2011) http://farside.ph.utexas.edu/teaching/em/lectures/node97.html
  • Gibbs, Philip. "Why is the Sky Blue?" Usenet Physics FAQ. May 1997. (June 13, 2011) http://www.desy.de/user/projects/Physics/General/BlueSky/blue_sky.html
  • NASA's The Space Place. "Why is the Sky Blue?" May 12, 2011. (June 14, 2011) http://spaceplace.nasa.gov/blue-sky/en/
  • Nave, R. "Blue Sky." Georgia State University Physics and Astronomy: Hyperphysics. (June 15, 2011) http://hyperphysics.phy-astr.gsu.edu/hbase/atmos/blusky.html
  • Schirber, Michael. "Why Skies are Blue Instead of Purple." MSNBC. July 19, 2005. (June 16, 2011) http://www.msnbc.msn.com/id/8631798/ns/technology_and_science-science/t/why-skies-are-blue-instead-purple/
  • Stern, David P. "The Many Colors of Sunlight." Goddard Space Flight Center. Sept. 23, 2011. (June 15, 2011)http://www-istp.gsfc.nasa.gov/stargaze/Sun4spec.htm