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Featured Article: Copernicus, Nicolaus

Copernicus, Nicolaus, koh PUR nuh kuhs, nihk uh LAY uhs (1473-1543), was a Polish astronomer who developed the theory that the earth is a moving planet. See more »

Adams, John Couch

Adams, John Couch (1819-1892), was a British mathematician and astronomer.

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Argelander, Friedrich Wilhelm August

Argelander, Friedrich Wilhelm August, ahr guh LAHN dehr, FREE drihkh VIHL hehlm OW gust (1799-1875), was a Finnish-German astronomer, and professor of astronomy at Bonn, Germany.

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Aristarchus

Aristarchus, ar ih STAHR kuhs, of Samos, was a Greek astronomer who lived from about 310 B.C.

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Aryabhatta

Aryabhatta (A.D.

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Barnard, Edward Emerson

Barnard, Edward Emerson (1857-1923), an American astronomer, became famous for his skill as an observer.

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Bell Burnell, Jocelyn

Bell Burnell, Jocelyn (1943-...), a British astronomer, was the first person to detect a pulsar.

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Bessel, Friedrich Wilhelm

Bessel, BEHS uhl, Friedrich Wilhelm (1784-1846), was a German astronomer and mathematician.

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Bondi, Sir Hermann

Bondi, Sir Hermann (1919-2005), was an Austrian-born British mathematician, astronomer, and physicist.

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Bowditch, Nathaniel

Bowditch, BOW dihch, Nathaniel (1773-1838), an American mathematician and astronomer, is known for his extensive revision of The Practical Navigator, which he renamed The New American Practical Navigator in 1802.

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Bradley, James

Bradley, James (1693-1762), was an English astronomer.

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Brahe, Tycho

Brahe, Tycho, brah or BRAH hee, TEE koh (1546-1601), was a Danish astronomer.

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Campbell, William Wallace

Campbell, William Wallace (1862-1938), an American astronomer, was director of the Lick Observatory in California from 1901 to 1923.

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Cannon, Annie Jump

Cannon, Annie Jump (1863-1941), was considered the leading American female astronomer of her generation.

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Cassini, Giovanni Domenico

Cassini, Giovanni Domenico (1625-1712), was an Italian-born French astronomer who discovered four moons of Saturn and a large gap in Saturn's ring system.

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Celsius, Anders

Celsius, SEHL see uhs, Anders (1701-1744), a Swedish astronomer, developed the Celsius scale.

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Copernicus, Nicolaus

Copernicus, Nicolaus, koh PUR nuh kuhs, nihk uh LAY uhs (1473-1543), was a Polish astronomer who developed the theory that the earth is a moving planet.

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De Sitter, Willem

De Sitter, Willem, duh SIHT uhr, WIHL uhm (1872-1934), was a noted Dutch astronomer.

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Eddington, Sir Arthur Stanley

Eddington, Sir Arthur Stanley (1882-1944), was a British astronomer who pioneered in the investigation of the internal structure of stars.

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Galileo

Galileo, gal uh LAY oh or gal uh LEE oh (1564-1642), an Italian astronomer, mathematician, and physicist, has been called a founder of modern experimental science.

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Hale, George Ellery

Hale, George Ellery (1868-1938), was an American astronomer who pioneered in the development of instruments for studying the sun.

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