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NASA's Webb Telescope Tracks the First Daily Weather Cycle on a Planet 690 Light-Years From Earth

Scientists using NASA's James Webb Space Telescope have observed the first complete daily weather cycle ever recorded on a planet outside our solar system. The planet, WASP-94A b, is a hot Jupiter located about 690 light-years away in the constellation Microscopium. Every morning, clouds made of magnesium silicate minerals form on its eastern side, and by evening they vanish, driven by extreme temperature contrasts and powerful winds between the planet's permanent day and night sides.