Ole Rømer


 
 

Ole Christensen R?mer (September 25, 1644, Aarhus – September 19, 1710, Copenhagen) was a Danish astronomer who made the first quantitative measurements of the speed of light (1676).

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R?mer was employed by the French government: King Louis XIV made him teacher for the Dauphin, and he also took part in the construction of the magnificent fountains at Versailles.

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In 1681, he returned to Denmark and was appointed professor of Astronomy at Copenhagen University. He was active also as an observer, both at the University Observatory at the Round Tower and in his home, using improved instruments of his own construction. Unfortunately, his observations have not survived: they were lost in the great fire of Copenhagen in 1728.


 

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~ Table of Content ~

Introduction
General biography
Inventions
R?mer and the speed of light
The Ole R?mer Museum
References
External links
 
FR: Ole Christensen Rømer


 

~ Related Subjects ~

September 19 (2) - Leap year (2) - September 25 (2) - Versailles (1) - 1681 (1) - Dauphin (1) - Fountain (1) - Astronomy (1) - Round Tower (1) - 1728 (1) - Copenhagen University (1) - Observatory (1) - Copenhagen (1) - Danish (1) - 1710 (1) -
 

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