Glossary term: Great Red Spot

Description: The Great Red Spot is a gigantic anticyclone in the atmosphere of Jupiter located at 22 degrees south of its equator. About 15,000 kilometers (km) long and nearly 12,000 km wide, it is currently a little larger than Earth, although it has reached much larger dimensions in the past. The Great Red Spot was discovered by Cassini in 1665.

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Term and definition status: This term and its definition is still awaiting approval

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Related Media

The planet Jupiter with horizontal cloud ribbons and the great red spot


Caption: This full disk view of Jupiter was obtained on 21 April 2014 with Hubble's Wide Field Camera 3 (WFC3). It shows the prominent great red spot, a gigantic cyclone. Cloud ribbons cover the surface, whose colours stem from gases like ammonia and other chemical compounds.
Credit: NASA, ESA, and A. Simon (Goddard Space Flight Center) credit link
License: CC-BY-4.0 Creative Comments Attribution 4.0 International (CC BY 4.0) icons