The NASA researchers baffled by the hexagonal shape in Saturn’s soupy atmosphere at its northern pole (“A hexagon on the ringed planet,” SN: 4/28/07, p. 269) should read “As waters part, polygons appear” (SN: 6/3/06, p. 348). It is worth investigating whether there is a similar phenomenon—I still suspect some sort of standing sine wave effect—at work in both cases.
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