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James Webb Telescope Unveils the Secrets of a Fluffy Exoplanet's Atmosphere

Observations with JWST’s MIRI detect water vapor, sulfur dioxide, and sand clouds in the atmosphere of WASP-107b. A team of European astronomers, co-led by MPIA researchers, used recent observations made with the James Webb Space Telescope (JWST) to study the atmosphere of the nearby exoplanet WA
Baden Wüberg United States France General Gillian Wright Bart Vandenbussche Thomas Konings

NASA's Webb identifies tiniest free-floating

<p>Using NASA’s James Webb Space Telescope, astronomers have identified the new record-holder for the smallest object that forms like a star: a tiny, free-floating brown dwarf with only three to four times the mass of Jupiter. A paper describing the observations appeared today (Dec. 13) in the <a href="https://doi.org/10.3847/1538-3881/ad00b7">Astronomical Journal</a>.</p>
France General United States Kevin Luhman Isabell Baraffe Thomasr Geballe Richardj Parker

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