JWST detects daily cloud cycle on distant exoplanet (opens in new tab)

Astronomers using NASA's James Webb Space Telescope reported a daily cloud pattern on WASP-94A b, a hot Jupiter nearly 700 light-years from Earth, in a paper published in Science. The observations point to morning-to-evening changes in cloud cover on the planet. Sagnick Mukherjee, an astrophysicist at Johns Hopkins University, led the study, which examined weather on a hot, close-orbiting giant planet.Highlights:Target familiarity: Phys.org described WASP-94A b as a well-studied gas giant, ma...