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We consider models of Extended Gravity and in particular, generic modelscontaining scalar-tensor and higher-order curvature terms, as well as a modelderived from noncommutative spectral geometry. Studying, in the weak-fieldapproximation, the geodesic and Lense-Thirring processions, we imposeconstraints on the free parameters of such models by using the recentexperimental results of the Gravity Probe B and LARES satellites.

Probing Models of Extended Gravity using Gravity Probe B and LARES experiments