Pierre Janssen
Sign in to saveFrench astronomer (1824-1907)
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Key facts
- Born
- ( 1824-02-20 ) 20 February 1824, Paris , France
- Died
- 23 December 1907 (1907-12-23) (aged 83), Meudon , France
- Fields
- Astronomy
- Thesis
- Sur l'absorption de la chaleur rayonnante obscure dans les milieux de l'oeil (1860)
via Wikipedia infobox
Article
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, and with some justification the element helium.
Life, work, and interests
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1824 births1907 deaths19th-century French astronomersBurials at Père Lachaise CemeteryDiscoverers of chemical elementsForeign associates of the National Academy of SciencesForeign members of the Royal SocietyFrench fellows of the Royal SocietyFrench people of Belgian descentHeliumHonorary Fellows of the Royal Society of EdinburghKnights of the Legion of Honour