PARIS (AFP) - Saturn, one of the windiest places in the Solar System, is undergoing a dramatic weather change.

Just over two decades ago, snapshots of the distinctive clouds in Saturn's equatorial region showed a jetstream that sped along at a bruising 1,700 kilometers (1,050 miles) per hour.

Now the winds have slowed to a relatively pedestrian 1,100 kph (690 mph), according to astronomers. Outside the equatorial belt, the planet's wind speeds appear not to have changed.

Their study compares pictures taken during the epic Voyager-1 flyby of Saturn in 1980-1 with images taken by NASA's orbiting telescope, the Hubble, between 1994-2002.


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