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We analyzed the Rotation Curves of two crucial objects, the Dwarf galaxyOrion and the low luminosity Spiral NGC 3198, in the framework of $R^n$gravity. We surprisingly found that the no DM power-law f(R) case fits themwell, performing much better than $\Lambda$CDM Dark Matter halo models. Thelevel of this unexpected success can be a boost for $R^n$ gravity.

$R^n$ gravity is kicking and alive: the cases of Orion and NGC 3198