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flag Uranus and Neptune may be rock-rich, not icy, challenging their "ice giant" label.

flag New research suggests Uranus and Neptune may be rock-rich rather than icy, challenging their traditional classification as "ice giants." flag Using advanced modeling that matches gravity and magnetic field data, scientists from the University of Zurich and PlanetS find rock-dominated interiors better fit observations, potentially explaining their complex, multi-poled magnetic fields. flag The study, published in Astronomy & Astrophysics, notes current data cannot definitively confirm composition, highlighting the need for future missions to clarify planetary formation and behavior under extreme conditions.

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