William Parsons

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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Parsons, William


(Third Earl of Rosse). Born June 17, 1800, in York; died Oct. 31, 1867, in Monkstown, Ireland. Irish astronomer. Member (1831) and president (1849–54) of the London Royal Society.

In 1845, Parsons constructed a reflecting telescope with a 182-cm mirror, which he set up at Birr Castle in Ireland. Using this telescope, he established the spiral structure of many extragalactic nebulae. Parsons was a member of the Royal Astronomical Society (1824) and a foreign member of the St. Petersburg Academy of Sciences (1852).


”An Account of Experiments on the Reflecting Telescope.” Philosophical Transactions, 1840, part 1, pp. 503–28.
”On the Construction of Specula of Sixfect Aperture and a Selection From the Observations of Nebulae With Them.” Philosophical Transactions, 1861, vol. 151, part 1, pp. 681–745.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
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The sketch of the Whirlpool Galaxy (M51) made by William Parsons, Earl of Rosse, in 1845, and placed opposite a full-color Hubble Space Telescope image of the same object, simply sings.
John Hipkin, prosecuting, said Stevenson pounced on Lynneth and her new partner William Parsons as the couple left their home to go to work.
When Mrs Stevenson's partner, William Parsons, left the property for work shortly after 6.30am, Stevenson forced his way into the communal hallway before stabbing his wife, shouting: "She has taken everything from me, I want her to die".
Brochures and other marketing materials to attract candidates were made in-house by William Parsons, graphics teacher and union president, and Andrea Machnik, the superintendent's secretary, assisted with the scheduling.
Parsons was actually born in London, but after college he began his engineering training with a four-year apprenticeship at the works of Sir William Armstrong and Co at Elswick in Newcastle - a surprise move as he was the son of the famous astronomer and Earl, William Parsons.
In Ireland, William Parsons builds the Leviathan, a reflecting telescope with a mirror that is 6 feet in diameter.