UM-Bot Posted January 27, 2007 #1 Share Posted January 27, 2007 For years astronomers have known that the upper atmospheres of Saturn and other giant planets are hotter than can be explained by absorbed sunlight. Today the mystery deepened. The phenomenon has long been blamed on a mechanism similar to what creates the aurora, or Northern Lights on Earth. On Earth, magnetic energy in the magnetosphere drives the aurora and heats the upper atmosphere. The giant planets are known for spectacular auroras at their polar regions. View: Full Article | Source: Yahoo! News Link to comment Share on other sites More sharing options...
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