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ScienceDaily (Dec. 10, 2009) — After waiting years for the sun to illuminate Saturn's north pole again, cameras aboard NASA's Cassini spacecraft have captured the most detailed images yet of the intriguing hexagon shape crowning the planet.
The new images of the hexagon, whose shape is the path of a jet stream flowing around the north pole, reveal concentric circles, curlicues, walls and streamers not seen in previous images. Images and the three-frame animation are available at www.nasa.gov...
Scientists are still trying to figure out what causes the hexagon