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Aberdeen Aurora

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Author Topic: Aberdeen Aurora  (Read 437 times)
JohnC
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« on: February 28, 2011, 10:09:01 am »

From what I've read,Mark,it's all about altitude rather than latitude apart from where you will see few  and none. This link  with it's white diagram shows that red is produced at high altitudes  up in the ionosphere above 300 Km (180 miles) where oxygen is the most common atom. http://www.exploratorium.edu/learning_studio/auroras/difcolors.html
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