Rømer, Ole People History Astronomy

Danish astronomer (1644-1710) who demonstrated conclusively that light travels at a finite speed. Also invented the "Meridian Circle" instrument for charting star positions in the sky.

• Wikipedia: Ole Rømer - Short crosslinked encyclopedic article.
• Rundetaarn: Centuries of Astronomy in Denmark - Includes section on Rømers works.
• Roemer, Ole - Article from the 1911 Encyclopedia Britannica.
• Catalog of the Scientific Community: Roemer, Ole Christensen - Background data on the scientist.

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