- 1825 in science
The year 1825 in
science andtechnology involved some significant events, listed below.Astronomy
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Pierre-Simon Laplace completes his study ofgravitation , the stability of the solar system, tides, the precession of the equinoxes, thelibration of the Moon, and Saturn's rings in "Mecanique Celeste"Chemistry
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Michael Faraday isolatesbenzene
*Hans Christian Ørsted produces metallicaluminium in an impure formMathematics
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Augustin-Louis Cauchy presents theCauchy integral theorem for general integration paths -- he assumes the function being integrated has a continuous derivative
* Augustin-Louis Cauchy introduces the theory of residues incomplex analysis
*Johann Peter Gustav Lejeune Dirichlet andAdrien-Marie Legendre proveFermat's last theorem for "n = 5"
*André-Marie Ampère discoversStokes' theorem Paleontology
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Georges Cuvier proposes his catastrophe theory as the cause ofextinction s of large groups of animals
*Étienne Geoffroy Saint-Hilaire identifies Cuvier's fossil `crocodile ´ as ateleosaurus Technology
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September 27 - The world's first modern railway, theStockton and Darlington Railway , opensAwards
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Copley Medal :François Arago ;Peter Barlow Births
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May 4 - SirThomas Henry Huxley (d. 1895), Englishbiologist .Deaths
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October 6 - Bernard Germain Etienne (b. 1756), naturalist.
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