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Lyot, Bernard Ferdinand

Summary Article: Lyot, Bernard Ferdinand from The Hutchinson Unabridged Encyclopedia with Atlas and Weather Guide
French astronomer. He also designed and constructed optical instruments. He concentrated on the study of the solar corona, for which he devised the coronagraph and the photoelectric polarimeter, and he proved that some of the Fraunhofer lines in the solar spectrum represent ionized forms of known metals rather than undiscovered elements. Life Lyot was born in Paris and graduated from the Ecole Supérieure d'Electricité. From 1920 he worked at the Meudon Observatory, becoming chief astronomer 1943. Study of Moon Most of Lyot's research during the 1920s was devoted to the study of polarized light, reflected to the Earth from the Moon and from other planets. In addition to designing a polariscope of greatly improved sensitivity, Lyot reported 1924 that the Moon was probably covered by a layer of volcanic ash and that duststorms were a common feature of the Martian surface. Study of Sun His most striking ac...    Continue Reading

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