HONOLULU (Feb. 4) - Astronomers using a giant telescope atop a volcano have discovered a hot spot at the tip of Saturn's south pole.
The infrared images captured by the Keck I telescope at the W.M. Keck Observatory atop Mauna Kea on the Big Island suggest a warm polar vortex - a large-scale weather pattern likened to a jet stream on Earth that occurs in the upper atmosphere. It's the first such hot vortex ever discovered in the solar system.
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