Try finding the opposite rays infrared rays, that is, the longer wavelength infrared light is red, but the rays need service kinds of scooters, one whose wavelength is shorter than the purple. He has used the silver chloride bath placed paper medium. It was found that the paper was changed to the Black River called this radiation rays deoxidizing scooters later, it changed its name, as in the current UV.1992: Extreme Ultraviolet Explorer
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