Remember the famous hexagon at #Saturn's north pole? A new study based on @CassiniSaturn data has revealed a similarly-shaped vortex high up in the planet's atmosphere, suggesting the hexagon is a towering structure hundreds of km in height 😯
Details: https://t.co/blnFqiuvX5 pic.twitter.com/i8if3seaBQ

— ESA Science (@esascience) September 4, 2018