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Pierre Jules César Janssen (22 February 1824 – 23 December 1907), usually known as Jules Janssen, was a French astronomer who, along with English scientist Joseph Norman Lockyer, is credited with discovering the gaseous nature of the solar chromosphere, but there is no justification for the conclusion that he deserves credit for the co ...
Pierre Georges Cornil Jansen (28 February 1930 – 13 August 2015 at Saint-Pierre-Saint-Jean) was a French film scores composer. He was in particular the permanent collaborator of Claude Chabrol for whom he composed the music for many films.
Pierre Janssen (born February 22, 1824, Paris, France—died December 23, 1907, Meudon) was a French astronomer who in 1868 discovered the chemical element helium and how to observe solar prominences without an eclipse.
- The Editors of Encyclopaedia Britannica
Aug 18, 2022 · When watching the total eclipse on August 18, 1868 in Madras, British India, French astronomer Pierre Janssen discovered the new chemical element Helium. Janssen also is credited with discovering the gaseous nature of the solar chromosphere.
The French astronomer Pierre Janssen had already made his name in the field of the solar spectrum. He had invented a much-improved astronomical spectroscope with the instrument maker Ignazio Hofmann, although the two men quickly fell out bitterly about whose contribution was greatest.
An Interview with Pierre Jansen by Jeannot Boever and François Olivieri. Interview conducted in Paris on February 21, 1981. Pierre Jansen Photo by Jeannot Boever. Most composers seem to start out in film music by chance. Is this also the case for you?
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The voyage that French astronomer Pierre Janssen undertook from Europe to the eastern Indian province of Madras during the spring of 1868 was no overnight endeavour. Janssen was travelling ...
