Hydroxyl Radical Detected in Atmosphere of Ultrahot Jupiter

Astronomers have detected a hydroxyl radical (OH) β€” the neutral form of the hydroxide ion β€” in the dayside atmosphere of the ultrahot Jupiter exoplanet WASP-33b. It is the first time that OH has been detected in the planetary atmosphere outside the Solar System. Discovered in 2010, WASP-33b is a gas giant approximately 4.5 times […]
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