Saturn has two hexagons, not one, swirling around its north pole

A vortex in the stratosphere mirrors a famous six-sided cyclone in the clouds below

Saturn hexagons

DOUBLE SIXES  Saturn’s hexagon (pictured) has a new friend. A second six-sided vortex, not visible here, has appeared hundreds of kilometers above this one.

JPL-Caltech/NASA, Space Science Institute

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