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Mysterious Glow: James Webb Telescope Captures 3D Video of Tumbling Icy Uranus
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James Webb Telescope Reveals Uranus's Mysterious Glow and Cooling Trend
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News18
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20-02-2026, 15:39
James Webb Telescope Reveals Uranus's Mysterious Glow and Cooling Trend
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James Webb Space Telescope (JWST) created a real-time map of Uranus's upper atmosphere, revealing an unprecedented glow.
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A faint glow from molecules thousands of kilometers above the cloud layer was captured, reaching temperatures of 153 degrees Celsius.
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The glow and high temperature are attributed to the interaction of Uranus's tilted magnetic field and solar winds.
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Webb data identified two bright auroral bands near the magnetic poles, similar to Earth's polar lights but affecting the entire atmosphere.
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New research confirms Uranus's upper atmosphere has been continuously cooling since the 1990s, a significant energy loss process.
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