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Donna Pierce

This composite image of photographs made by NASA's Cassini spacecraft on Dec. 29, 2000 shows the planet Jupiter. The photographs taken during the Cassini's closest approach to the gas giant at a distance of approximately 10 million kilometers (6.2 million miles). The Great Red Spot, a fierce storm larger than Earth, has been observed for centuries. But in recent years, it has been mysteriously shrinking. (NASA/JPL/Space Science Institute via AP) (AP)

Jupiter’s Great Red Spot: A 300-year-old cyclone persists but is shrinking

Donna Pierce