<ul><li>The absence of well-defined north and south magnetic poles in Uranus and Neptune may be explained by the presence of immiscible ice layers in their interiors.</li><li>Simulations performed at the University of California, Berkeley suggest that the disorganized magnetic fields of these ice giant planets arise from the separation of icy fluids within them.</li><li>Laboratory experiments of fluids at high pressures and a proposed mission to Uranus in the 2040s could help test this theory.</li><li>Understanding the structure and evolution of Uranus and Neptune could provide insights into ice giants found in exoplanetary systems as well.</li></ul>

Immiscible ice layers may explain why Uranus and Neptune lack magnetic poles

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