Astronomers think they've figured out how and when Jupiter's Red Spot formed
A study in Geophysical Research Letters reveals Jupiter's Great Red Spot is over 190 years old, not the same as the 1600s "Permanent Spot." Historical records and simulations support evolving characteristics. Future research aims to predict stability.
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A recent study published in Geophysical Research Letters sheds light on the formation and age of Jupiter's Great Red Spot. Contrary to previous beliefs, astronomers have determined that the current Great Red Spot is not the same as the "Permanent Spot" observed by Giovanni Cassini in the 1600s. The Permanent Spot likely disappeared between the 18th and 19th centuries, making the current Red Spot over 190 years old. The study involved analyzing historical records and conducting numerical simulations to understand the spot's evolution. While some scientists remain skeptical about the findings, the research suggests that the Red Spot has been shrinking and changing shape over the years. Further simulations are planned to explore the dynamics behind the spot's shrinking and predict its future stability. The study provides valuable insights into the long-standing mystery of Jupiter's iconic Great Red Spot.
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