As reported by a foreign daily, after measuring the positions of the hexagon vertices with great precision, scientists determined that its movement remains extremely stable, and on the basis of the cloud movements, that the jet stream inside it remains unchanged.

According to sources, Saturn’s polar atmosphere undergoes intense seasonable variations due to the tilt of approximately 27 degrees of the planet which results in long polar nights lasting over seven years, followed by a long period of 23 years of variable illumination.

However, the seasonal variations reportedly do not affect the hexagon and its jet stream at all, so both are part of an extensive wave, deeply rooted in Saturn's atmosphere.

For this study, the researchers used images taken from the Earth between 2008 and 2014; they used, among others, the astronomical cameras PlanetCam (developed by the Planetary Sciences Group itself) and Astralux, fitted to the telescopes of the Calar Alto Observatory in Almeraa (Spain).

JPN

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