Astronomers discover heaviest exoplanet element yet on alien

Astronomers have discovered the heavy element barium in the atmospheres of two blisteringly hot gas giant planets outside the solar system.

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Portugal , Porto , Chile , Armazones , Antofagasta , Azevedo Silva , Olivier Demangeon , University Of Porto , Instituto De Astrof , Echelle Spectrograph , Rocky Exoplanet , Stable Spectroscopic Observations , Large Telescope , Armazones High Dispersion Echelle Spectrograph , Extremely Large Telescope ,