Saturn's Colorful Aurora
While the curtain-like auroras we see at Earth are green at the bottom and red at the top, NASA's Cassini spacecraft has shown us similar curtain-like auroras at Saturn that are red at the bottom and purple at the top to the human eye.
Read more, and see images and movies, at http://www.ciclops.org/view_event/198/S ... urora?js=1
(Additionally, the Press release can be found here.)
CICLOPS:Saturn's Colorful Aurora
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MargaritaMc
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CICLOPS:Saturn's Colorful Aurora
"In those rare moments of total quiet with a dark sky, I again feel the awe that struck me as a child. The feeling is utterly overwhelming as my mind races out across the stars. I feel peaceful and serene."
— Dr Debra M. Elmegreen, Fellow of the AAAS