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Paper: Giant Planets from the Inside-Out
Monograph: 9, Protostars and Planets VII
Page: 947
Authors: Guillot, T.; Fletcher, L. N.; Helled, R.; Ikoma, M.; Line, M. R.; Paramentier, V.
Abstract: Giant planets acquire gas, ices and rocks during the early formation stages of planetary systems and thus inform us on the formation process itself. Proceeding from inside out, examining the connections between the deep interiors and the observable atmospheres, linking detailed measurements on giant planets in the solar system to the wealth of data on brown dwarfs and giant exoplanets, we aim to provide global constraints on interiors structure and composition for models of the formation of these planets. New developments after the Juno and Cassini missions point to both Jupiter and Saturn having strong compositional gradients and stable regions from the atmosphere to the deep interior. This is also the case of Uranus and Neptune, based on available, limited data on these planets. Giant exoplanets and brown dwarfs provide us with new opportunities to link atmospheric abundances to bulk, interior abundances and to link these abundances and isotopic ratios to formation scenarios. Analyzing the wealth of data becoming available will require new models accounting for the complexity of the planetary interiors and atmospheres.
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