Filters:
People: John III, Duke of Brittany
Location: Grenoble Rhone-Alpes France

Ole Christian Roemer, a Danish astronomer having …

Years: 1677 - 1677

Ole Christian Roemer, a Danish astronomer having studyied Jupiter’s moons from 1671 to 1677, observes that light moves at a finite speed.

Locations
People
Groups
Topics
Subjects
Regions
North Europe (1677 - 1677)
Subregions
Northeast Europe (1677 - 1677)