Infrared Radiation (IR)
Infrared radiation (IR) is a type of electromagnetic radiation with wavelengths longer than those of visible light, but shorter than those of radio waves. In space and astronautical engineering, IR is used for a variety of purposes, including remote sensing, thermal imaging, and communication. IR sensors can detect the heat signatures of objects, allowing for the identification of celestial bodies and the monitoring of their temperature. IR communication systems can be used to transmit data between spacecraft and ground stations, as well as between spacecraft in orbit. IR imaging can also be used to detect and track space debris, which can pose a threat to spacecraft and satellites. In addition, IR radiation is a key factor in the design of spacecraft and spacesuits, as it can affect the temperature and thermal management of these systems.
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