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In a recent paper, Edvardsson etal (2002) propose a new solution for the spinevolution of the Earth and Mars. Their results differ significantly withrespect to previous studies, as they found a large contribution on theprecession of the planet axis from the tidal effects of Phobos and Deimos. Infact, this probably results from the omission by the authors of the torquesexerted on the satellites orbits by the planet's equatorial bulge, as otherwisethe average torque exerted by the satellites on the planet is null.Comment: november 19, 200

A comment on “Accurate spin axes and solar system dynamics: Climatic variations for the Earth and Mars”