Search results
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 Janssen was a French astronomer who in 1868 discovered the chemical element helium and how to observe solar prominences without an eclipse. His work was independent of that of the Englishman Sir Joseph Norman Lockyer, who made the same discoveries at about the same time.
- The Editors of Encyclopaedia Britannica
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.
French astrophysicist Pierre Jules Janssen traveled across the world in an attempt to understand the cosmos, and was the first to sight the wavelength pattern of helium in his spectroscope.
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.
May 21, 2018 · Janssen, Pierre Jules César (b. Paris, France, 22 February 1824; d. Meudon, France, 23 December 1907) physical astronomy, spectroscopy, photography. Janssen was born into a cultivated family. His father was a musician of Belgian descent, and his maternal grandfather was the architect Paul-Guillaume Le Moyne.
People also ask
Who is Pierre Janssen?
What did Pierre Janssen discover?
Who is Pierre Georges Cornil Jansen?
What did Pierre Janssen study?
Pierre, Jules, César Janssen. Born in Paris, in February 22nd 1824, and died in Meudon, in December 23rd 1907. An accident at a young age left him unable to walk, which prevented him from attending school. He began working as a bank clerk at age 16, studying mathematics in his spare time.
