Exciting new findings reveal that WASP-121b, a blazing-hot giant planet, may have formed far from its star in a colder, ice-rich region—before migrating inward to its current extreme orbit. Chemical fingerprints point to a frigid birthplace: The mix of methane and silicon monoxide in the atmosphere suggests WASP-121b likely formed in a cooler part of […]
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Methane on a 3000°C Planet? Webb Just Shattered Expectations
