Absolute temperature refers to the theoretical temperature at which all molecular motion stops, also known as absolute zero. In scientific terms, absolute zero is 0 Kelvin, which corresponds to –273.15°C (–459.67°F). While not directly related to photography, understanding absolute temperature is important in specialized fields such as astrophotography, infrared imaging, and scientific imaging, where extreme cold can affect camera sensors, film emulsion, or electronic components. Knowledge of absolute temperature helps photographers and technicians manage equipment performance in low-temperature environments.