Hubble tracks new decagon encircling Saturn's south pole

NASA's Hubble Space Telescope has identified a new 10-sided atmospheric wave pattern encircling Saturn's south pole. This decagon is a developing phenomenon that differs from the long-standing hexagon observed at the planet's north pole.
Why it matters
Advances our understanding of planetary atmospheres and fluid dynamics in gas giants.
edited by Robert Egan , reviewed by Andrew Zinin
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