It’s Raining Mushballs on Jupiter


Here’s NASA’s explanation of this video: This animation takes the viewer high into a large storm high in Jupiter’s atmosphere, where a mushy water-ammonia particle (represented in green) descends through the atmosphere, collecting water ice in the process. The process creates a “mushball” – a special hailstone with a center made partially of liquid water-ammonia mush and a solid water-ice crust exterior. Within about 10 to 60 minutes (depending on their sizes), these mushballs reach Jupiter’s deeper layers, below the water clouds, where they rapidly melt and evaporate. Theoretical models predict these mushballs could grow to about 4 inches (10 centimeters) in diameter, weigh up to 2 pounds (1 kilogram), and reach speeds up to 450 mph (700 kph) during their descent.

Video Credit: NASA / JPL—Caltech / SwRI / MSSS / CNRS

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