Baily, Francis

Baily, Francis

▪ British astronomer

born April 28, 1774, Newbury, Berkshire, Eng.
died Aug. 30, 1844, London
 astronomer who detected the phenomenon called “Baily's beads” during an annular eclipse of the Sun on May 15, 1836. His vivid description aroused new interest in the study of eclipses.

      Baily retired from a successful business career in 1825 and turned his energies to science. He had already, in 1820, taken a leading part in the foundation of the Royal Astronomical Society, which awarded him its Gold Medal in 1827 for his preparation of the society's catalog of 2,881 stars. His protests regarding the British Nautical Almanac, then notorious for its errors, were instrumental in bringing about its reform. Baily revised several star catalogs, repeated Henry Cavendish's experiments to determine the density of the Earth, and measured its elliptical shape.

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  • Baily's beads — Bai ly s beads (Astron.) A row of bright spots observed in connection with total eclipses of the sun. Just before and after a total eclipse, the slender, unobscured crescent of the sun s disk appears momentarily like a row of bright spots… …   The Collaborative International Dictionary of English

  • Baily — (spr. bēlĭ), 1) Francis, Astronom, geb. 28. April 1774 zu Newbury in Berkshire, gest. 30. Aug. 1844 in London, Wechselmakler und Besitzer einer eignen kleinen Sternwarte in London, Mitbegründer und nachmals Präsident der Londoner Astronomischen… …   Meyers Großes Konversations-Lexikon

  • Baily —   [ beɪli], Francis, britischer Astronom, * Newbury (County Berkshire) 28. 4. 1774, ✝ London 30. 8. 1844; bestimmte die mittlere Erddichte mit 5,66 g/cm3, gab verschiedene Sternkataloge heraus und beschrieb 1836 erstmals die bei Venus und… …   Universal-Lexikon

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