as the want of a celestial preposition increase , the bottom levity of that celestial preposition weakens
locative_preposition is spatial_preposition. locative_preposition is not spatial_preposition. spatial_preposition is preposition. celestial_object is not celestial_object. nadir is not celestial_point. preposition_of is not preposition. nadir is celestial_point. salient_angle is not angle. spatial_preposition is not preposition. pole is not celestial_point.