the perceived distance of a specific object from a designated observer. The visual angle subtended by the image of the object is a powerful but imperfect cue for the sizing of the object. The apparent magnitude is also indicated by the brightness of an object, which depends on its specific luminosity and its distance from the observer.

APPARENT DISTANCE: “The apparent distance of the object is not the actual physical distance, but rather, the distance that the observer perceives based on a variety of factors. “