Birth anniversary

Ole Rømer

Born on September 25, 1644

382

Years ago

383rd anniversary next

The 383rd anniversary falls on September 25, 2027, in 335 days.

Ole Christensen Rømer (Danish:; 25 September 1644 – 19 September 1710) was a Danish astronomer who, in 1676, first demonstrated that light travels at a finite speed. Rømer also invented the modern thermometer showing the temperature between two fixed points, namely the points at which water boils and freezes.

Text from Wikipedia, licensed under CC BY-SA 4.0

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