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In 1769 a Scottish astronomer named Alexander Wilson noticed that the shape of sunspots noticeably flattened as they approached the Sun's limb as the Sun rotated. These observations showed that sunspots were features on the solar surface, as opposed to minor planets or objects situated above the surface. Moreover, he concluded that sunspots were in fact slight depressions in the surface of the photosphere.

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Topics: Wilson Effect, Wilson Flagg, Wilsons Promontory National Park...

Wilson FlaggWilson "Bud" Flagg served in the U. Navy, achieving the rank of Rear Admiral. On October 15, 1993 he was censured for failing to prevent the 1991 Tailhook conference scandal, effectively ending further advancement. Flagg died at 62 in the crash of AmericaWilsons Promontory National ParkWilsons Promontory commonly known as Wilson's Prom, is a national park in the Gippsland region of Victoria ( Australia), 157 km southeast of Melbourne. It is mainland Australia's southernmost national park, known for its beautiful rainforests, unspoiled bWilson-Gorman tariffThe Wilson-Gorman tariff of 1894 slightly reduced the U. tariff rates from the numbers set in the 1890 McKinley tariff. Named for William L. Wilson Representative from West Virginia, chair of the U. House Ways and Means Committee, and Senator Arthur P.
Wilson's diseaseWilson's disease is an autosomal recessive hereditary disease, with an incidence of about 1 in 30,000. The estimated heterozygous carrier rate is about 1 in 90, meaning that 1 in 90 people are unaffected carriers of this defective gene. The disease affectWilsonWilson is a 1944 biographical film about President Woodrow Wilson. It stars Charles Coburn, Alexander Knox, Geraldine Fitzgerald, Thomas Mitchell, Ruth Nelson, Cedric Hardwicke, Matt Moore and Vincent Price. The movie was written by Lamar Trotti and direcWilson County, TexasWilson County is a county located in the U. State of Texas. As of 2000, the population is 32,408. Its county seat is Floresville 6. The county is named after James Charles Wilson. Geography According to the U. Census Bureau, the county has a total area of
Wilson County, TennesseeWilson County, North CarolinaWilson County, Kansas
Wilsonville, AlabamaWilson, ArkansasWilsonville, Illinois
Wilson, KansasWilson, LouisianaWilson-Conococheague, Maryland
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