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Ole Rømer: Quick Facts

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Facts

Also Known As Ole Christensen Römer • Olaus Christensen Rømer • Olaf Christensen Rømer • Ole Christensen Rømer • Ole Christensen Roemer
Born September 25, 1644 • Århus • Denmark
Died September 23, 1710 (aged 65) • Copenhagen • Denmark
Subjects Of Study speed of light

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Ole Rømer
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Peter Naur
Danish astronomer and computer scientist
James Bradley
James Bradley
English astronomer
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Harlow Shapley
American astronomer
Painting of Danish astronomer Tycho Brahe wearing a black robe with a white ruffled collar and a gold chain necklace with a large pendant.
Tycho Brahe
Danish astronomer
Hertzsprung, c. 1930
Ejnar Hertzsprung
Danish astronomer
Peter Andreas Hansen
Peter Andreas Hansen
German astronomer
Johan Dreyer, c. 1910
Johan Ludvig Emil Dreyer
Danish astronomer
Longomontanus, Christian
Christian Longomontanus
Danish astronomer
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Fred L. Whipple
American astronomer
Johannes Kepler
Johannes Kepler
German astronomer
Nicolaus Copernicus
Nicolaus Copernicus
Polish astronomer
Galileo
Galileo
Italian natural philosopher, astronomer, and mathematician
Giordano Bruno
Giordano Bruno
Italian philosopher
Engraving of six astronomers, with Hipparchus seated at center and, from left to right, Galileo, Johannes Hevelius, Tycho Brahe, Nicolaus Copernicus, and Ptolemy standing, each holding scientific instruments.
Hipparchus
Greek astronomer
William Herschel
William Herschel
British-German astronomer
Al-Bīrūnī, Afghan commemorative stamp, 1973.
al-Bīrūnī
Persian scholar and scientist
Engraving portrait of Carl Friedrich Gauss wearing a cap and formal 19th-century clothing, with detailed shading around his face and upper body.
Carl Friedrich Gauss
German mathematician
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Henry Norris Russell
American astronomer
Roger Bacon
Roger Bacon
English philosopher and educational reformer
How did Ptolemy explain retrograde motion?
Ptolemy
Egyptian astronomer, mathematician, and geographer

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