Why is Jupiter’s Great Red Spot shrinking?
Quick Answer
The Great Red Spot is a storm fed by Jupiter’s turbulent atmosphere, but its size has declined over the last century as its dynamics change.
The Full Story
Jupiter’s Great Red Spot is a giant anticyclonic storm, larger than Earth in earlier observations, and it has been monitored since at least the 1830s. Over the past century, telescopic and spacecraft data show that it has become smaller and more compact, although the exact rate and cause vary by study. Scientists think changes in surrounding wind streams and energy supply are altering the storm’s structure. NASA’s Juno mission has given new close-up data on its depth, winds, and color chemistry.
Key Facts
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"Jupiter’s mega-storm is changing shape in real time."
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