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William Parsons, 3rd Earl of Rosse (17 June 1800 – 31 October 1867) was an Anglo-Irish astronomer who had several telescopes built. His 72-inch telescope, built in 1845 and colloquially known of as the "Leviathan of Parsonstown", was the world's largest telescope, in terms of aperture size, until the early 20th century.〔(【引用サイトリンク】title=Telescopes: Lord Rosse’s Reflectors )〕 From 1807 until 1841, he was styled as Baron Oxmantown. ==Life== He was born in Yorkshire, England, in the city of York, the son of a future Irish peer.〔The York Courant, Monday 23 June 1800; Archives and Local History, York Explore Centre, Museum Street, York YO1 7DS〕 He was educated, as Lord Oxmantown, at Trinity College, Dublin, and Oxford University's Magdalen College, graduating with first-class honors in mathematics in 1822. He inherited an earldom and a large estate in King's County (now County Offaly) in Ireland when his father, Lawrence, 2nd Earl of Rosse, died in 1841. Lord Rosse married Mary Field, daughter of John Wilmer Field, on 14 April 1836. They had a total of thirteen children, but only four sons survived to adulthood:〔Hughes, Stefan (2012). Catchers of the Light: The Astrophotographers' Family History. Google Books. p. 1085. ISBN 978-1620509616. http://books.google.co.uk/books?id=iZk5OOf7fVYC&pg=PA1085.〕 * Lawrence, 4th Earl of Rosse (known as Baron Oxmantown until 1867; 17 November 1840 – 30 August 1908). * The Rev. Randal Parsons (26 April 1848 – 15 November 1936). * The Hon. Richard Clere Parsons (21 February 1851 – 26 January 1923), apparently known for developing railways in South America. * The Hon. Sir Charles Algernon Parsons (13 June 1854 – 11 February 1931), known for inventing the steam turbine. In addition to his astronomical interests, Rosse served as a Member of Parliament (MP) for King's County from 1821 to 1834, president of the British Association in 1843–1844, an Irish representative peer after 1845, president of the Royal Society (1848–1854), and chancellor of Trinity College, Dublin (1862–1867). 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「William Parsons, 3rd Earl of Rosse」の詳細全文を読む スポンサード リンク
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