Is Jupiter Eye shrinking?
William Taylor
Published Apr 29, 2026
The Red Spot has been shrinking for at least the past 150 years, dropping from a length of about 40,000 kilometers (24,850 miles) in 1879 to about 15,000 kilometers (9,320 miles) today, and researchers still aren't sure about the causes of the decrease, or indeed how the spot was formed in the first place.