Astronomers using the James Webb Space Telescope have detected methane in the atmosphere of TOI-199 b, a Saturn-mass exoplanet with an equilibrium temperature near 350 K, placing it in a temperature ...
A planet that is about the size of Saturn, but with a temperature more like Earth's, has an atmosphere rich in methane, according to a new study using NASA's James Webb Space Telescope (JWST). Unlike ...
Webb captures dramatic temperature spikes on HD 80606 b, one of the most extreme giant planets ever discovered.