Answer
Known as thermal radiation, infrared rays are emitted by anything that gives off heat. The Sun and many planets produce heat, which is released in the form of harmless infrared radiation. Thermal imaging and night vision goggles are designed to help people "see" by detecting infrared rays.
Work Step by Step
Known as thermal radiation, infrared rays are emitted by anything that gives off heat. The Sun and many planets produce heat, which is released in the form of harmless infrared radiation. Thermal imaging and night vision goggles are designed to help people "see" by detecting infrared rays.