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Great Red Spot
Introduction References & Edit History Related Topics
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Great Red Spot Great Red Spot False-colour infrared image of the Great Red Spot and its environs, based on observations made by the Galileo spacecraft in June 1996. Various colours distinguish details seen by Galileo at three different infrared wavelengths and provide information about the relative altitudes of the cloud layers. The yellow and yellow-green of the Great Red Spot indicate its projection above the surrounding clouds, whereas the blue-purple regions identify areas of cloud thinning. Jupiter's Great Red Spot Jupiter computer-generated composite of Jupiter
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M101 (NGC 5457, The Pinwheel Galaxy). Hubble Space Telescope image of face-on spiral galaxy Messier 101 (M101). Largest most detailed photo of a spiral galaxy that has ever been released from Hubble. Created from 1994-2003
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Great Red Spot: References & Edit History

Article Contributors

Primary Contributors

  • The Editors of Encyclopaedia Britannica
    Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

Other Contributors

  • Michael Levy
    Michael Levy was political science editor (2000-06), executive editor (2006-11), editor of Britannica Blog (2010-11), and director of product content & curriculum (2011-12) at Encyclopaedia Britannica. He subsequently became director of content for Elevate, a brain-training app for mobile devices.

Other Encyclopedia Britannica Contributors

Article History

Type Description Contributor Date
Add new Web site: IOPscience - The Astronomical Journal - The Gas Composition and Deep Cloud Structure of Jupiter's Great Red Spot. Oct 27, 2026
Add new Web site: CNN Science - Jupiter�s Great Red Spot is different from what an Italian astronomer observed in 1665. Feb 28, 2025
Add new Web site: Sky and Telescope - Jupiter's Great Red Spot Just Keeps Getting Smaller. Apr 25, 2024
Add new Web site: Boston University - Red Spot, Hot Spot. Feb 02, 2024
Add new Web site: The Planetary Society - The shape of Jupiter’s Great Red Spot is changing. Here’s why. Oct 26, 2023
Add new Web site: Space.com - Jupiter's Great Red Spot: Everything you need to know. Jul 21, 2023
Add new Web site: The Planets - Jupiter Red Spot: Facts About the Great Jovian Storm. Jun 09, 2023
Add new Web site: NASA - Jupiter�s Great Red Spot: A Swirling Mystery. Apr 16, 2023
Add new Web site: National Park Radio - In Jupiter's swirling Great Red Spot, NASA spacecraft finds hidden depths. Feb 28, 2023
Add new Web site: The Museum of UnNatural Mystery - The Great Red Spot of Jupiter. Sep 09, 2019
Added photograph of the Great Red Spot taken by Juno. Sep 15, 2017
Changed size of Great Red Spot from "16,500 km (10,250 miles) wide" to "16,350 km (10,159 miles) wide." Sep 15, 2017
Add new Web site: NASA - Jupiter�s Great Red Spot: A Swirling Mystery. Dec 05, 2016
Material about shrinking of Great Red Spot added. Aug 11, 2014
Media added. Jan 06, 2012
Discussion of history of observations of Great Red Spot thoroughly revised. Apr 19, 2011
Article revised. Jun 16, 2005
Article added to new online database. Jul 20, 1998
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