Jean-Philippe de Cheseaux

Jean -Philippe Loys de Chéseaux ( born May 4, 1718, Lausanne, † November 30, 1751 in Paris) was a Swiss astronomer.

Chéseaux became famous for the discovery of the great comet of 1744 on December 13, 1743rd Since him but Dirk Klinkenberg was preempted by a few days ( December 9, 1743), the comet was then called Klinkenberg.

In 1746 he drew up a list of 21 nebulae, which he sent to the Académie des Sciences in Paris, where she was indeed picked, but not published. Guillaume Le Gentil listed for the privately in 1759. Was not until 1892 it was published by Guillaume Bigourdan.

Regardless of Heinrich Wilhelm Olbers was described by the Olbers paradox Chéseaux: an explanation of why the sky is dark at night.

Swell

• Johann Gottlob Wilhelm Dark: Historical- critical messages from deceased scholars and their writings. Volume 3, Part 1, and Köthen Dessau 1757, pp. 19-22.