The famous red spot on the surface of Jupiter, which is actually a giant cyclone, is actually shrinking. The spot is known worldwide, and the winds inside the storm reach speeds of a few hundred miles per hour or more. When the spot was first observed in 1831, it was 25,000 miles across, which is wider than three Earths placed next to each other. Now, in 2014, the size of the spot has decreased to 10,000 miles across, only 40% of the first observed size. Nobody knows why the storm is shrinking, or whether or not it will continue to shrink until it no longer exists. Interesting indeed.
http://www.wired.com/2014/05/jupiter-great-red-spot-shrinking/
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