James Webb Space Telescope Detects Carbon Dioxide on Exoplanets for the First Time Washington, 18 Mar (ONA) —- The James Webb Space Telescope has, for the first time, directly detected carbon dioxide on exoplanets, observing it within the multi-planetary system HR 8799, located approximately 130 light-years from Earth. A research team from Johns Hopkins University utilized tools to block the intense light of the star, enhancing observation of its surrounding ...