A recent study by scientists at the University of California, Berkeley, has proposed a new model for the internal structure of Uranus and Neptune, the ice giant planets in our solar system. Contrary to previous assumptions, the researchers suggest that these planets may have deep global oceans of water beneath their atmospheres, separated by layers rich in carbon. This new perspective challenges the traditional view of a hot, dense fluid of icy water, methane, and ammonia surrounding their cores. The study, published in Proceedings of the National Academy of Sciences, discusses how the layered interior could explain the unusual magnetic fields observed on Uranus and Neptune. The lack of organized magnetic fields on these planets has puzzled scientists for years. The new model provides an explanation, suggesting that the separation of water and carbon layers inhibits convection within the interiors, unlike Earth's convection-driven magnetic field. Burkhard Militzer, the lead researcher, conducted computer simulations with 540 atoms to demonstrate the natural formation of distinct layers in the extreme conditions present within Uranus and Neptune. The insights gained from this study could revolutionize our understanding of the internal dynamics and composition of icy giant planets. By reevaluating the traditional assumptions about Uranus and Neptune, scientists are paving the way for further exploration and research into the mysteries of these distant worlds. The unique characteristics of these ice giants offer a fascinating glimpse into the complex nature of planetary formation and evolution in our solar system.