Ole Rømer

Ole Rømer and the Speed of Light

Ole Rømer and the Speed of Light

On October 5, 1644 (or according to the old julian calendar September 25), Danish astronomer Ole Christensen Rømer was born. He became known by the first proof published in 1676 that the speed of light is finite and not infinite, respectively by the guidance, how the speed of light can be calculated by observation of the Jupiter moons. Ole Rømer – Early Years Ole Rømer was born in Århus, Denmark, to merchant and skipper…
Read more
Albert Abraham Michelson and the Famous Experiment that lead to Einstein’s Special Relativity Theory

Albert Abraham Michelson and the Famous Experiment that lead to Einstein’s Special Relativity Theory

On December 19, 1859, US-american physicist Albert Abraham Michelson was born. Together with his colleague Edward Williams Morley he conducted an experiment that proved the by the time famous ether theory to be wrong and is considered to be one of the pilars of the theory of relativity. “While it is never safe to affirm that the future of Physical Science has no marvels in store even more astonishing than those of the…
Read more
Neptune, Oceanos, or ‘Le Verrier’ – How to name a new planet?

Neptune, Oceanos, or ‘Le Verrier’ – How to name a new planet?

On June 9, 1812, German astronomer Johann Gottfried Galle was born. Also in Germany hardly anybody might know Galle today. Well, maybe except most astronomers, who will certainly know him, because he has discovered the planet Neptune. No, he didn’t do it all by himself. Actually, we’ve had already several articles on astronomers involved in the discovery of Neptune [5,6,7] Johann Gottfried Galle – Early Life Galle was born in the Pabsthaus not…
Read more
Jean Picard and his Love for Accuracy

Jean Picard and his Love for Accuracy

Jean-Félix Picard (1620 – 1682) On July 21, 1620, French astronomer, cartographer and hydraulic engineer Jean-Félix Picard was born. He is regarded as the founder of modern astronomy in France. He introduced new methods, improved the old instruments, and added new devices, such as Huygens‘ pendulum clock to record times and time intervals. Jean-Félix Picard was born as a son of a bookseller and was allowed to study at the Jesuit Collège Royal…
Read more
Relation Browser
Timeline
0 Recommended Articles:
0 Recommended Articles: