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Swirling cloud belts and tumultuous vortices within Jupiter’s northern hemisphere are seen in this view from a May flyby of the planet's cloud tops by our Juno spacecraft. Looking closer at this chaotic and turbulent world, we see darker cloud material that is deeper in Jupiter’s atmosphere, while bright cloud material is higher. The bright clouds are most likely ammonia or ammonia and water, mixed with a sprinkling of unknown chemical ingredients.

A bright oval at bottom center stands out in the scene. This feature appears uniformly white in ground-based telescope observations. However, with Juno, we can observe the fine-scale structure within this weather system, including additional structures within it. There is not significant motion apparent in the interior of this feature; like the Great Red Spot, its winds probably slows down greatly toward the center.

Since 2016 Juno has been penetrating Jupiter’s deep, colorful zones and belts in a quest to answer fundamental questions about the gas giant planet's origin and evolution.

Image Credits: NASA/JPL-Caltech/SwRI/MSSS/Gerald Eichstädt /Seán Doran
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