According to that article (2012), you'd better clarify that as "...our galaxy doesn't have any detectable dark matter in the neighborhood of our sun." Perhaps

According to that article (2012), you'd better clarify that as "...our galaxy doesn't have any detectable dark matter in the neighborhood of our sun." Perhaps the phenomenon is the result of new relativistic dynamical laws instead of dark matter, e.g. "All large-scale rotating structures appear to be indistinguishable from a single rotating object when viewed from any observer's frame of reference" for some definition of "large-scale".