Astronomers finally solve Saturn’s decades-long spin mystery

Astronomers finally solve Saturn’s decades-long spin mystery
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Why This Matters

Scientific discoveries like this expand human knowledge and open new possibilities for addressing global challenges.
A decades-old mystery about Saturn has finally been solved thanks to the James Webb Space Telescope. Scientists discovered that Saturn’s changing “rotation rate” was never caused by the planet speeding up or slowing down, but by powerful winds high in its atmosphere. Webb’s unprecedented observations revealed that Saturn’s northern lights actively heat the atmosphere, creating winds that generate electrical currents, which then power the aurora all over again in a self-sustaining cycle.
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