Astronomers detect hydroxyl molecule signature in an exoplanet atmosphere

ScienceDaily
Apr 27, 2021, 11:06 am67 pts
Astronomers have detected a new chemical signature in the atmosphere of an extrasolar planet (a planet that orbits a star other than our Sun). The hydroxyl radical (OH) was found on the dayside of the exoplanet WASP-33b -- a so-called 'ultra-hot Jupiter', a gas-giant planet orbiting its host star much closer…

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