"Webb Discovers Methane, Carbon Dioxide in Atmosphere of K2-18 b" by @NASAWebb - 120 light years from Earth, #exoplanet #K218B needs more observation after #WebbSpaceTelescope🔭 saw atmospheric chemistry possibly consistent with life https://www.nasa.gov/goddard/2023/webb-discovers-methane-carbon-dioxide-in-atmosphere-of-k2-18b #NASA #astronomy