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Johann Georg Hagen
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Johann Georg Hagen, c. 1920
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View of the Andromeda Galaxy (Messier 31, M31).
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Johann Georg Hagen: Facts & Related Content

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Facts

Born March 6, 1847 • Bregenz • Austria
Died September 5, 1930 (aged 83) • Rome • Italy
Subjects Of Study Hagen’s clouds

Photos

Johann Georg Hagen, c. 1920
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Georg von Peuerbach
Austrian mathematician
Georg Joachim Rheticus
Austrian astronomer
Johann Palisa
Silesian astronomer
Wilhelm, Freiherr von Biela
Austrian astronomer
Fred L. Whipple
American astronomer
Alvan Graham Clark
American astronomer
Johannes Kepler
Johannes Kepler
German astronomer
Nicolaus Copernicus
Nicolaus Copernicus
Polish astronomer
Galileo
Galileo
Italian philosopher, astronomer and mathematician
Giordano Bruno
Giordano Bruno
Italian philosopher
Hipparchus
Greek astronomer
William Herschel
William Herschel
British-German astronomer
Al-Bīrūnī, Afghan commemorative stamp, 1973.
al-Bīrūnī
Persian scholar and scientist
Carl Friedrich Gauss
Carl Friedrich Gauss
German mathematician
Henry Norris Russell
American astronomer
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer
Tycho Brahe
Tycho Brahe
Danish astronomer
Edmond Halley
Edmond Halley
British scientist
Edwin Hubble
Edwin Hubble
American astronomer
Sima Qian
Sima Qian
Chinese historian and scientist

Related Quizzes and Features

Quiz
View of the Andromeda Galaxy (Messier 31, M31).
Astronomy and Space Quiz
Michael Faraday (L) English physicist and chemist (electromagnetism) and John Frederic Daniell (R) British chemist and meteorologist who invented the Daniell cell.
Faces of Science
Nicolaus Copernicus. Nicolas Copernicus (1473-1543) Polish astronomer. In 1543 he published, forward proof of a Heliocentric (sun centered) universe. Coloured stipple engraving published London 1802. De revolutionibus orbium coelestium libri vi.
All About Astronomy