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Jupiter's Great Red Spot

Photo: The Great Red Spot on Jupiter's surface

In 1979 Voyager 1 captured this photo of an immense high-pressure storm, called the Great Red Spot, swirling on Jupiter. Winds blow counterclockwise around the Great Red Spot at about 250 miles (400 kilometers) an hour. The storm is larger than one Earth diameter from north to south, and more than two Earth diameters from east to west.

Photograph courtesy NASA