The James-Webb-Telescope provides insights into the composition and formation of planets outside our solar system.
Using the James Webb Space Telescope, an international collaboration of astronomers with Laura Kreidberg of the Max Planck Institute for Astronomy has captured infrared light filtered through the atmosphere of a hot gas giant 700 light-years away. The transmission spectrum of exoplanet WASP-39 b represents a hat trick of firsts: Webb’s first official scientific observation of an exoplanet; the first detailed exoplanet spectrum covering this range of near-infrared colours; and the first indisputable evidence for carbon dioxide in the atmosphere of a planet orbiting a distant star. ...
