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Astronomers have discovered the heavy element barium in the atmospheres of two blisteringly hot gas giant planets outside the solar system.
Astronomers studying the pair have discovered the heaviest element ever found in an exoplanet atmosphere, which is several times heavier than iron and suggests these ultra-hot Jupiter-like planets ...
Scientists using the European Southern Observatory's (ESO) Very Large Telescope have found the heaviest element ever discovered within the atmosphere of an exoplanet — twice. Astronomers say ...