The first exoplanet, 51 Pegasi b, had just been announced, and almost no-one believed it. The method used to detect it was indirect, the signal was small, and the data were hard to parse.
Gravitational pull from an orbiting planet changes the radial velocity of the star's rotation, which telescopes like Webb can detect. Exoplanets also reflect light that's Doppler shifted according ...
Astronomers have detected supersonic winds on the hot Jupiter WASP-18b, with speeds of 5,400 mph, offering new insights into atmospheric dynamics and exoplanet exploration.
Transmission spectroscopy observations from the James Webb Space Telescope show the detection of carbon dioxide in the atmosphere of the gas giant exoplanet WASP-39b. Time-series observations from ...