Astronomers Use Webb Telescope to Study Exoplanet Surface Beyond Atmosphere

Using James Webb Space Telescope, astronomers directly measured heat from LHS 3844 b, revealing a dark, rocky surface with no atmosphere—more like Mercury than Earth—marking a breakthrough in studying exoplanet geology.Using James Webb Space Telescope, astronomers directly measured heat from LHS 3844 b, revealing a dark, rocky surface with no atmosphere—more like Mercury than Earth—marking a breakthrough in studying exoplanet geology.