What term refers to the phenomenon where a fixed object appears to move?

The term that refers to the phenomenon where a fixed object appears to move is autokinesis. This effect occurs in low visibility conditions, particularly at night, when a stationary light can appear to drift or move due to the observer's own eye movements. When focusing on a singular point for too long, the visual perception can begin to misinterpret the object's position, making it seem as though it is shifting in relation to the background.

This phenomenon is particularly relevant in aviation, as pilots may encounter autokinesis when they are trying to identify cockpit instruments or external lights, which can lead to disorientation or incorrect judgments about distance and relative motion. Understanding autokinesis is crucial for crew members in maintaining situational awareness and making accurate assessments during flight operations.

Other options describe different visual effects or concepts but do not specifically address the effect of a fixed object appearing to move.