The Hindu

Wind hurtles across this exoplanet at 8,690 kmph



A team of researcher­s have discovered that winds blow at 2.4 km per second, or 8,690 kmph, on a planet outside the Earth’s solar system.

The University of Warwick’s discovery is the first time that a weather system on a planet outside Earth’s solar system has been directly measured and mapped. The wind speed recorded is 20 times greater than the fastest ever known on Earth. The exoplanet is called HD 189733b.

The exoplanet’s size (10 per cent larger than Jupiter) and its relative closeness to our solar system makes it a popular target for study. The study is published in

Astronomic­al Journal.

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