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8 incredible images of Saturn

Feb. 4, 2013, 3:54 p.m.
Saturn, rings

Photo: NASA

5 of 9

Polar vortex, 2004

This image is a compilation of photos taken by the W.M. Keck Observatory in Mauna Kea, Hawaii. The black square in the lower right side represents missing data. Unlike Saturn's hexagonal north pole — which some experts say might be the result of a novel aurora — only the presence of a jet stream is known to exist on the south pole.