Tagged: “molecules detections”
James Webb reveals the atmospheric secrets of an exoplanet
The James Webb Space Telescope (JWST) and its unparalleled images of our Universe offers us a new first: by combining several instruments, it draws a molecular and chemical portrait of the atmosphere of the exoplanet WASP-39b. It highlights the presence of water, carbon dioxide and especially, for the first time, sulfur dioxide created through reactions […]
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Espresso detects barium in the atmosphere of an exoplanet
An international team including researchers from the University of Geneva (UNIGE) and the National Centre of Competence in Research (NCCR) PlanetS has detected the heaviest element ever found in the atmosphere of an exoplanet: barium. This feat was made possible by ESPRESSO, a spectrograph developed largely by the UNIGE and installed on the Very Large […]
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