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Pierre Janssen: Quick Facts

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Facts

Also Known As Pierre Jules César Janssen • Jules Janssen
Born February 22, 1824 • Paris • France
Died December 23, 1907 (aged 83) • Meudon • France
Subjects Of Study solar prominence • spectroscopy

Photos

Pierre Janssen, detail from an engraving
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Lockyer
Sir Joseph Norman Lockyer
British astronomer
William Huggins
William Huggins
English astronomer
Portrait of Pierre Simon Marquis de Laplace wearing formal attire with a sash and star-shaped medal, looking slightly to his left.
Pierre-Simon, marquis de Laplace
French scientist and mathematician
Jean-Sylvain Bailly
Jean-Sylvain Bailly
French astronomer
Gian Domenico Cassini.
Gian Domenico Cassini
French astronomer
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Urbain-Jean-Joseph Le Verrier
French astronomer
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Pierre-Louis Moreau de Maupertuis
French mathematician and astronomer
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Jean-Baptiste-Gaspard Bochart de Saron
French scientist
Jérôme Lalande, etching by Christian Fritzsch, 1773.
Jérôme Lalande
French astronomer
Delambre, Jean-Baptiste-Joseph
Jean-Baptiste-Joseph Delambre
French astronomer
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André-Louis Danjon
French astronomer
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Jean Picard
French astronomer
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Bernard Lyot
French astronomer
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Jean Richer
French astronomer
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César-François Cassini de Thury
French surveyor
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Charles-Eugène Delaunay
French astronomer
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Charles Messier
French astronomer
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Jacques Cassini
French astronomer
Peiresc, Nicolas-Claude Fabri de
Nicolas-Claude Fabri de Peiresc
French humanist
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Jacob ben Machir ibn Tibbon
Jewish astronomer, physician, and translator

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