Ole Rømer facts for kids
Ole Rømer, portrait by Jacob Coning from c. 1700
Ole Christensen Rømer
25 September 1644
|Died||19 September 1710
|Alma mater||University of Copenhagen|
|Known for||Measuring the speed of light|
Rømer also invented the modern thermometer showing the temperature between two fixed points, namely the points at which water respectively boils and freezes.
In scientific literature, alternative spellings such as "Roemer", "Römer", or "Romer" are common.
Images for kids
Rundetårn ("round tower") in Copenhagen, on top of which the university had its observatory from the mid 17th century until the mid 19th century when it was moved to new premises. The current observatory there was built in the 20th century to serve amateurs.
Illustration from the 1676 article on Rømer's measurement of the speed of light. Rømer compared the duration of Io's orbits as Earth moved towards Jupiter (F to G) and as Earth moved away from Jupiter (L to K).
Ole Rømer Facts for Kids. Kiddle Encyclopedia.