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About This Image

The Great Red Spot is a vast storm system on Jupiter. It spins like a cyclone, with speeds reaching 270 miles per hour (430 km/h). The storm, which is twice the size of the Earth, was first seen when 17th century astronomers turned their telescopes on the planet. More than 300 years later, it's still going strong.

Credit: The Hubble Heritage Team (STScI/AURA/NASA) and Amy Simon (Cornell U.)

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