- 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. https://www.jpl.nasa.gov/news/nasas-webb-detects-tiny-quartz-crystals-in-clouds-of-hot-gas-giant 2 comments space