Author: Christopher Crockett / Source: Science News

A new hexagon has emerged high in the skies over Saturn’s north pole.
As spring turned to summer in the planet’s northern hemisphere, a six-sided vortex appeared in the stratosphere.
Surprisingly, the polar polygon seems to mirror the famous hexagonal cyclone that swirls in the clouds hundreds of kilometers below, researchers report online September 3 in Nature Communications.When NASA’s Cassini spacecraft arrived at Saturn in 2004 — during summer in the southern hemisphere — the probe spied a similar vortex…
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