"precess" . "Periastron precession" . "Apsidal precession" . "periapsis precession" . "advance of periastron" . "torqued" . "Schwarzschild precession" . "apsidal precession" . "precession of the perihelion" . "Apsidal precession" . "perihelion precession" . . "Anomalous precession" . . . "torquing" . "orbital precession" . . "apsidal motion" . . . . "precession" . "perihelion of Mercury" .