Tuesday, January 6, 2015

Saturn's Norhern Hemisphere

This false color picture of Saturn's northern hemisphere was assembled from ultraviolet, violet and green images obtained by Voyager 2 from a range of 7.1 million kilometers (4.4 million miles).  The weather patterns include three spots flowing westward at about 33 mph.  Although the cloud system associated with the western-most spot is part of this flow, the spot itself moves eastward at about 65 mph.  Their joint flow shows the anti-cyclonic rotation of the spot, which is about 1,900 mi. in diameter.  The ribbonlike feature to the north marks a high-speed jet where wind speeds approach 330 mph.  The Voyager project is managed for NASA by the Jet Propulsion Laboratory, Pasadena, California

Photo by NASA

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