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Color of Jupiters Great Red Spot Comes from Epic Sunburn

The Great Red Spot on Jupiter's face is secretly dull in color. But the swirling storm looks crimson thanks to something like a cosmic "sunburn," scientists say.

New experiments show that the gases in the upper atmosphere of Jupiter turn a reddish hue when they're hit with sunlight. Underneath, the Great Red Spot probably looks gray or white.

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