5 months ago
Astronomers detect heaviest element ever found in exoplanet atmospheres
Astronomers have spotted an unexpected chemical element high within the atmosphere of two sizzling exoplanets where liquid iron and gems rain down from the skies. The two exoplanets, which orbit separate stars beyond our solar system, are ultrahot gas giants called WASP-76b and WASP-121b. Astronomers used the European Southern Observatory’s Very Large Telescope to detect barium at high altitudes in the atmosphere of each exoplanet.
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