Ole roemer biography of rory

(b. Aarhus, Denmark, 25 September 1644; d.

Where was ole roemer born

Copenhagen, Denmark, 19 September 1710)

astronomy.

Römer came from a family of small merchants. In 1662 he was sent to the University of Copenhagen, where he studied with both Thomas Bartholin, professor of medicine, and his brother Erasmus Bartholin, a physician who was better known for his discovery of double refraction of light in Iceland spar.

He lived in Erasmus Bartholin’s house and studied astronomy and mathematics under his direction; Bartholin was so impressed with Römer’s abilities that he entrusted him with the editing of the unpublished manuscripts of Tycho Brahe.

In 1671 Erasmus Bartholin was visited by Jean Picard, who had been sent by the Académie des Sciences to measure precisely the position of Tycho Brahe’s observatory, the Uraniborg, on the island of Hven.

In September of that year Bartholin and Römer accompanied Picard to Hven, where, in order to redetermine the longit