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William Parsons, 3rd Earl of Rosse KP FRS (17 June 1800 – 31 October 1867), was an English engineer and astronomer. He built several giant telescopes. He built several giant telescopes. [ 1 ] [ 2 ] His 72-inch telescope, built in 1845 and colloquially known as the " Leviathan of Parsonstown ", was the world's largest telescope, in terms of aperture size, until the early 20th century. [ 3 ]
Jun 13, 2024 · William Parsons, 3rd earl of Rosse(born June 17, 1800, York, England—died October 31, 1867, Monkstown, County Dublin, Ireland) was an Irish astronomer and builder of the largest reflecting telescope, the “Leviathan,” of the 19th century. In 1821 Parsons was elected to the House of Commons. He resigned his seat in 1834 but in 1841 ...
- The Editors of Encyclopaedia Britannica
William Parsons, third Earl of Rosse umbrella raised over his head, to demonstrate its immense size. In March of that year the speculum received its final polishing and two distinguished astronomers, Dr T. R. Robinson of Armagh Obser vatory and Sir James South, were invited to participate in the first observations. The Irish climate is not ...
About. William Parsons, 3rd Earl of Rosse PRS, had a rich and illustrious career, but he is perhaps best known for his contributions to astronomy. Educated at Trinity College Dublin and Madgalene College, Oxford, where he graduated with first class honours in Mathematics in 1822. He lived in his family’s estate at Birr Castle, Parsonstown ...
William Parsons, Third Earl of Rosse (1800−1867) is best known to astronomers as the builder of a 72-inch reflector with which he discovered the spiral structure of M51 in Canes Venatici, now known to be a spiral galaxy. Yet there is much more to Rosse than this: he was one of a distinguished family of scientists and engineers, in addition to being a privileged landowner at the heart of ...
It is widely known, in Ireland and further afield, that Sir William Parsons (1800–67), 3rd Earl of Rosse, of Birr Castle in King’s County (Offaly), built what was for some 70 years the largest telescope in the world (Figure I. 1). He published extensive details of his remarkable inventive initiatives, as he manufactured telescopes based on ...
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Apr 25, 2015 · William Parsons, 3rd Earl of Rosse: Astronomy and the Castle in Nineteenth-Century Ireland. Author: Charles Mollan. ISBN-13: 978-0719091445. Publisher: Manchester University Press. Guideline Price ...
