Free Astronomy Magazine November-December 2017

26 NOVEMBER-DECEMBER 2017 SATURN A hexagon on Saturn Saturn's hexagonal polar jet stream is the shining feature of almost every view of the north polar region of Saturn. The region, in shadow for the first part of the Cassini mis- sion, now enjoys full sunlight, which enabled Cassini sci- entists to directly image it in reflected light. The view was obtained at a distance of approximately 900,000 kilometers from Saturn. [NASA/JPL/Space Science Institute]