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Image of the week: #Saturn's hexagonal polar jet stream https://t.co/4DCIN4CL76 http://pic.twitter.com/RwRb6U4J6i

— CassiniSaturn (@CassiniSaturn) May 8, 2017

via Twitter https://twitter.com/CassiniSaturn

May 08, 2017 at 08:09PM