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What is the Cause of the Great Red Spot on Jupiter?

-- | October 28, 2014

Question:  What is the giant red spot on jupiter caused by?  — Abe

Answer: The “Great Red Spot” on Jupiter is a persistent anti-cyclonic storm in Jupiter’s atmosphere, similar to hurricanes on Earth.  It is enormous; about 3 Earth diameters in width, and it has existed for at least 400 years.

Jeff Mangum