Helium Rain Washes Away Neon (IMAGE)
Caption
This schematic depiction of the interior of a gas giant (e.g. Jupiter or Saturn) shows Helium-rich droplets forming within the immiscibility layer and raining downwards, leading to a slow increase in the helium concentration in the deep interior. Neon is absorbed in the droplets and carried out of the upper atmosphere.
Credit
Hugh F. Wilson and Burkhard Militzer, University of California, Berkeley
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