Infrared observation is a field of research that involves the detection and analysis of infrared radiation emitted by objects in the universe. This type of observation allows scientists to study objects that are typically invisible or difficult to observe in visible light, such as cool stars, dust clouds, and distant galaxies. Infrared radiation is emitted by all objects with a temperature above absolute zero, making it a valuable tool for studying the composition, temperature, and structure of various celestial bodies. Infrared observations can provide insights into the formation and evolution of galaxies, stars, planets, and other astronomical objects. Infrared telescopes and instruments are used to capture and analyze infrared radiation from space, either from ground-based observatories or space-based telescopes such as the Hubble Space Telescope and the Spitzer Space Telescope. Researchers use this data to study a wide range of astrophysical phenomena, including the birth of stars, the behavior of black holes, and the distribution of dark matter in the universe. Overall, infrared observation plays a crucial role in expanding our understanding of the cosmos and uncovering new insights into the nature of the universe.