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Spectrum
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2000 19th NCAA Women's Basketball Championship: at Corel State Spectrum
1940 Clive Sinclair, British computer inventor, ZX Spectrum 1891 William Huggins describes astronomical application of spectrum 1871 Jules Janssen discovers dark lines in solar corona spectrum 1868 Pierre Janssan discovers helium in solar spectrum during eclipse 1864 Spectrum of a comet observed for 1st time, by Giovanni Donati 1787 Joseph von Fraunhofer, born in Germany, physicist, studied Sun's spectrum |
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