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Explore groundbreaking research on gas giant planets' internal structures through this 53-minute lecture from the IPAM Rotating Turbulence Workshop. Delve into findings from NASA's Juno and Cassini missions that reveal "fuzzy" cores within these celestial bodies, characterized by heavy element gradients across significant portions of their radii. Learn how 3D hydrodynamic simulations and analytic modeling demonstrate the impact of planetary rotation on convective mixing and composition gradient survival in giant planet interiors. Examine newly developed scaling laws for convective velocities and entrainment rates in rotating systems, validated through numerical experiments. Discover how rotation influences the evolution of semiconvective staircases - layered convective structures arising from double-diffusive instabilities - and their potential role in explaining observed fuzzy cores. Gain valuable insights into the mechanisms preserving compositional gradients within giant planets and understand their implications for planetary structure and evolution.
