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James Webb Telescope Uncovers a New Mystery: A Broiling 'Hell Planet' with an Atmosphere that Shouldn't Exist

James Webb Space Telescope found TOI-561 b's dayside temperature 1,700°F cooler than expected, indicating a thick volatile-rich atmosphere and explaining its low density, researchers said.

Summary by Live Science
James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals.

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Live ScienceLive Science
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James Webb telescope uncovers a new mystery: A broiling 'hell planet' with an atmosphere that shouldn't exist

James Webb finds a hot planet that is tidally locked with its parent star, is coated with a thick atmosphere of volatile chemicals.

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The DebriefThe Debrief
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NASA's James Webb Space Telescope Has Discovered an 'Impossible' Atmosphere Around a Magma

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The Debrief broke the news in on Friday, December 12, 2025.
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