Webb Detects Silicon Monoxide in Atmosphere of Ultrahot Jupiter WASP-121b

Jun 2, 2025 - 14:15
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Webb Detects Silicon Monoxide in Atmosphere of Ultrahot Jupiter WASP-121b
This artistic impression depicts the stage at which WASP-121b accumulated most of its gas, as inferred from the latest results. Image credit: T. Müller, MPIA & HdA.

Astronomers using the NASA/ESA/CSA James Webb Space Telescope have detected water, carbon monoxide, and silicon monoxide in the planet’s dayside atmosphere and methane in the nightside atmosphere.

The post Webb Detects Silicon Monoxide in Atmosphere of Ultrahot Jupiter WASP-121b appeared first on Sci.News: Breaking Science News.

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