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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute.

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Jupiter's Great Red Spot.

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It's one of the most familiar sites in our solar system.

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It's also one of the most mysterious.

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Because, based on most calculations, this flashy display of swirling gases should be long gone.

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Now, scientists think they know the secret to the storm's endurance.

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Which they reveal at a meeting of the American Physical Society's Division of Fluid Dynamics in Pittsburgh.

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The Great Red Spot is like a humongous hurricane.

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But one that's raged for hundreds of years.

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Most models find that turbulence and heat loss should have bled away the spot's energy.

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And a pair of nearby jet streams, which flow in opposite directions, should have slowed its spin.

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So how is it still there?

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In the latest analysis, researchers built a 3D model of the Great Red Spot and really gave all three dimensions their due.

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They discovered that as the spot's horizontal winds are depleted, a vertical flow of gas from above and below keeps feeding it energy.

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And a circular flow sucks energy from those jet streams and diverts it into the storm.

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All of which keeps the red spot great. By Jove.

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Thanks for the minute, for Scientific American's 60-Second Science. I'm Karen Hopkin.

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