An Exoplanet so Hot it has Clouds Made of Quartz

James Webb Space Telescope detects quartz crystals in an exoplanet's atmosphere

Webb spots quartz crystals in clouds of exoplanet WASP-17b

Webb detects tiny quartz crystals in clouds of hot gas giant. Researchers using NASA’s James Webb Space Telescope have detected evidence for quartz nanocrystals in the high-altitude clouds of WASP-17 b, a hot Jupiter exoplanet 1,300 light-years from Earth.