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  1. en.wikipedia.org › wiki › UltravioletUltraviolet - Wikipedia

    Hace 14 horas · Ultraviolet (UV) light is electromagnetic radiation of wavelengths of 10–400 nanometers, shorter than that of visible light, but longer than X-rays.UV radiation is present in sunlight, and constitutes about 10% of the total electromagnetic radiation output from the Sun.It is also produced by electric arcs, Cherenkov radiation, and specialized lights, such as mercury-vapor lamps, tanning ...

  2. Hace 14 horas · Glen Travis Campbell (April 22, 1936 – August 8, 2017) was an American country singer, guitarist, songwriter, and actor. He was best known for a series of hit songs in the 1960s and 1970s, and for hosting The Glen Campbell Goodtime Hour on CBS television from 1969 until 1972. He released 64 albums in a career that spanned five decades, selling over 45 million records worldwide, including ...