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Astronomers Measure 8,690 KPH Winds on Exoplanet

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Exoplanet HD 189733b is an extremely windy place, according to researchers, who say it is the first time weather on an exoplanet has been observed. Writing in the Astrophysical Journal Letters, researchers from the University of Warwick say winds on the planet, which is over 60 light years away, blow at an astonishing 8,690 kilometers per hour from its day side to the night side. That is 20 times faster than the most severe wind ever measured on Earth. “This is the first ever weather...

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