Scientists may finally know why Jupiter and Saturn have very different weather patterns at their poles, despite having similar sizes and compositions. The discovery could help researchers probe deep into the interiors of these giant gaseous planets.
Observations of the two solar system gas giants have revealed that Jupiter's north pole hosts a central polar vortex surrounded by eight smaller vortices, while Saturn has a single, strangely hexagonal, massive atmospheric whirlpool over its north pole.
While performing complex simulations of these types of vortexes of gas giants, the team behind this research found that the difference between a single vortex configuration and a multi-vortex pattern depended on how "hard" the base of the vortex was, meaning how heavy the gas is in this region (the softer the gas, the lighter it is). This "hardness" is in turn related to the interior composition of the gas giant.
Source: www.space.com
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