"NASA's James Webb Telescope Uncovers Exoplanet with Sand Clouds and Surprising Atmosphere"

European astronomers using NASA's James Webb Space Telescope have made new discoveries about the exoplanet WASP-107b. The observations reveal that the Neptune-like gas giant has scorching hot temperatures, sandy clouds high in the atmosphere that can fall like rain onto its surface, and a complex chemical composition including water vapor and sulfur dioxide. The absence of methane suggests a warm interior, and the presence of silicate sand clouds indicates a "fluffy" composition. The findings reshape our understanding of planetary formation and evolution, shedding new light on our own solar system.