Occultations through Saturn's C ring

Saturn's C ring contains multiple spiral patterns that appear to be density waves driven by periodic gravitational perturbations. In other parts of Saturn's rings, such waves...土星C环存在多组螺旋结构，这类结构被认为是由周期性引力摄动（periodic gravitational perturbations）驱动的密度波（density waves）。在土星环的其他区域，此类波……