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Thu, January 23, 2025

A Gas Giant 500 Light-Years Away Has the Fastest Winds Ever Recorded: A Staggering 33,000 km/h

The article discusses the discovery of incredibly fast winds on a gas giant exoplanet named HD 189733b, located 500 light-years away from Earth. These winds, clocked at a staggering 33,000 km/h (20,500 mph), are the fastest ever recorded on any planet, surpassing even the most intense hurricanes on Earth. This exoplanet, which orbits very close to its star, has an atmosphere where temperatures can reach up to 1,700 degrees Celsius (3,092 degrees Fahrenheit). The extreme conditions on HD 189733b, including its close orbit causing one side to always face the star, lead to these supersonic winds that move from the planet's day side to its night side. This phenomenon was observed using the Keck Observatory in Hawaii, providing insights into the atmospheric dynamics of exoplanets.

Read the Full MSN Article at:
[ https://www.msn.com/en-us/news/technology/a-gas-giant-500-light-years-away-has-the-fastest-winds-ever-recorded-a-staggering-33-000-km-h/ar-AA1xOpaC ]