X-rays
X-rays are a form of electromagnetic radiation with wavelengths shorter than ultraviolet light. They are produced by the collision of high-energy electrons with a target material, typically a metal. In space and astronautical engineering, X-rays are used for a variety of purposes, including medical imaging of astronauts, detection of black holes and other high-energy phenomena in the universe, and non-destructive testing of spacecraft components. X-ray telescopes are used to study the high-energy universe, and X-ray diffraction is used to analyze the crystal structure of materials. However, X-rays can also be harmful to living organisms, including humans, and precautions must be taken to limit exposure.
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