Photometry

Photometry is the measurement of the intensity of electromagnetic radiation in the visible, ultraviolet, and infrared regions of the spectrum. In space and astronautical engineering, photometry is used to study the properties of celestial objects such as stars, planets, and galaxies. Photometry is used to determine the brightness, color, and temperature of these objects. It is also used to study the composition of the atmosphere of planets and the interstellar medium. Photometry is performed using telescopes and specialized instruments such as photometers and spectrophotometers. The data obtained from photometry is used to study the physical properties of celestial objects and to develop models of their behavior and evolution.
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