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1 .This is Scientific American's 60-Second Science. I'm Karen Hopkin. This'll just take a minute.
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2 .Jupiter's Great Red Spot.
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3 .It's one of the most familiar sites in our solar system.
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4 .It's also one of the most mysterious.
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5 .Because, based on most calculations, this flashy display of swirling gases should be long gone.
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6 .Now, scientists think they know the secret to the storm's endurance.
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7 .Which they reveal at a meeting of the American Physical Society's Division of Fluid Dynamics in Pittsburgh.
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8 .The Great Red Spot is like a humongous hurricane.
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9 .But one that's raged for hundreds of years.
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10 .Most models find that turbulence and heat loss should have bled away the spot's energy.
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11 .And a pair of nearby jet streams, which flow in opposite directions, should have slowed its spin.
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12 .So how is it still there?
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13 .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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14 .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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15 .And a circular flow sucks energy from those jet streams and diverts it into the storm.
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16 .All of which keeps the red spot great. By Jove.
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17 .Thanks for the minute, for Scientific American's 60-Second Science. I'm Karen Hopkin.
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