Get lost in Jupiter's haze thanks to new pictures from NASA spacecraft

Apr 7, 2020
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“On display in this image are small clouds that scientists have dubbed "pop-up" clouds because they stick out brightly at the edges of the atmosphere's swirls”

The white clouds are actually upwelling so the “pop-up” description is quite apropos. The whiteness is caused by ammonia crystalizing out of the atmospheric because of the colder temperatures as they rise. The brown cloud tops are at 200 K (−100 °F, −70 °C) but it drops all the way to120 K (−240 °F, or −150 °C) on the white cloud tops!
 
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