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Enceladus's Limit Cycle
Peter Goldreich, Yoram Lithwick, Jing Luan
Enceladus exhibits some remarkable phenomena, including water geysers spraying through surface cracks, a global ice shell that is librating atop an ocean, a large luminosity, and r…
Titan's Dynamic Love Number Implies Stably-Stratified Ocean
Jing Luan
The dynamic quadrupole Love number of Titan measured by \Cassini is , strongly indicating a global subsurface ocean. However, the theoretical Love…
How Cassini Can Constrain Tidal Dissipation in Saturn
Jing Luan, Jim Fuller, Eliot Quataert
Tidal dissipation inside giant planets is important for the orbital evolution of their natural satellites. It is conventionally treated by parameterized equilibrium tidal theory, i…
Resonance locking as the source of rapid tidal migration in the Jupiter and Saturn moon systems
Jim Fuller, Jing Luan, Eliot Quataert
The inner moons of Jupiter and Saturn migrate outwards due to tidal energy dissipation within the planets, the details of which remain poorly understood. We demonstrate that resona…
Thermal Conductivity Of Rubble Piles
Jing Luan, Peter Goldreich
Rubble piles are a common feature of solar system bodies. They are composed of monolithic elements of ice or rock bound by gravity. Voids occupy a significant fraction of the volum…
Special mean motion resonance pairs: Mimas-Tethys and Titan-Hyperion
Jing Luan
Five pairs of large solar system satellites occupy first order mean-motion resonances (MMRs). Among these, the pairs of Mimas-Tethys and Titan-Hyperion are special. They are locate…