Rosse, William Parsons, 3rd earl

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Rosse, William Parsons, 3rd earl of

(born June 17, 1800, York, Eng.—died Oct. 31, 1867, Monkstown, County Cork, Ire.) Irish astronomer. His “Leviathan,” 54 ft (16.5 m) long, was the largest reflecting telescope of the 19th century, and its mirror had a diameter of 72 in. (183 cm). With it Rosse discovered the spiral shape of many objects then classed as nebulae, now recognized as galaxies, and he studied and named the Crab Nebula. He was also the first to discover binary and triple stars. As Lord Oxmantown, he sat in the House of Commons (1821–34); on inheriting his father's earldom in 1841, he joined the House of Lords.

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No references found			Ross, Harold Ross, Harold W Ross, Harold Wallace Ross, James Clark Ross, John Ross, Nellie Ross, Robert Ross, Ronald Ross, Sir George William Ross, Sir James Clark Ross, Sir John Ross, Sir Ronald Ross, Sir William David Rossbach Rossbach, Ed Rossby diagram Rossby number Rossby parameter Rossby regime Rossby term Rossby wave Rossby, Carl-Gustaf Rossby, Carl-Gustaf Arvid Rosse Rosse, William Parsons, 3d earl of Rosse, William Parsons, 3rd earl Rossel Current Rossel, Louis Nathaniel Rosseland mean absorption coefficient Rosselli, Carlo Rosselli, Cosimo Rossellini Rossellini, Roberto Rossellino Rossellino, Antonio Rossellino, Bernardo Rossetti Rossetti, Christina Rossetti, Christina Georgina Rossetti, Dante Gabriel Rossetti, Gabriele Rossi, Aldo Rossi, Alice S. Rossi, Ernesto Rossi, Karl Rossi, Karl Ivanovich Rossi, Pellegrino Luigi Edoardo, Conte Rossiiskii, Nikolai Rossiiskii, Nikolai Alekseevich Rossini Rossini, Gioacchino			ROSS2 Rossa ROSSAC Rossbach Rossbach Roßbach Roßbach Rossbach, Ed Rossbrook Football League Rossby Centre Atmosphere-Ocean model Rossby diagram Rossby number Rossby parameter Rossby regime Rossby term Rossby wave Rossby waves Rossby, Carl-Gustaf Rossby, Carl-Gustaf Arvid ROSSD Rosse Rosse Rosse Rosse, William Parsons, 3d earl of Rosse, William Parsons, 3rd earl Rossel Rossel Current Rossel, Louis Nathaniel Rosseland mean absorption coefficient Rosselini Rosselini Rosselli, Carlo Rosselli, Cosimo Rossellini Rossellini Rossellini, Roberto Rossellini, Roberto Rossellino Rossellino, Antonio Rossellino, Bernardo Rossello Rossello Rosselly Rossendale Shotokan Karate Club Rossendale Union of Boot, Shoe and Slipper Operatives Rossendale Valley Sailing Club Rosser Rosseta Stone Rosseta Stone Rossetta Stone Rossetta Stone Rossetti Rossetti

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