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Impact of the frequency dependence of tidal Q on the evolution of planetary systems
Astronomy and Astrophysics
Context. Tidal dissipation in planets and in stars is one of the key physical mechanisms that drive the evolution of planetary systems. Aims. Tidal dissipation properties are intrisically linked to the internal structure and the rheology of studied celestial bodies. The resulting dependence of the dissipation upon the tidal frequency is strongly different in the cases of solids and fluids. Methods. We compute the tidal evolution of a two-body coplanar system, using the tidal quality factor'sdoi:10.1051/0004-6361/201322782 fatcat:d32yfb2uxjfwvmpu4acjbbyqti