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Gustav Kirchhoff was a German physicist who, with the chemist Robert Bunsen, firmly established the theory of spectrum analysis (a technique for chemical analysis by analyzing the light emitted by a heated material), which Kirchhoff applied to determine the composition of the Sun.
- The Editors of Encyclopaedia Britannica
Gustav Robert Kirchhoff (German: [ˈkɪʁçhɔf]; 12 March 1824 – 17 October 1887) was a German physicist and mathematician who contributed to the fundamental understanding of electrical circuits, spectroscopy, and the emission of black-body radiation by heated objects.
Kirchhoff is perhaps best known for being the first to explain the dark lines in the sun's spectrum as caused by absorption of particular wavelengths as the light passes through gases in the sun's atmosphere.
Kirchhoff: Gustav Robert K., geboren am 12. März 1824 zu Königsberg in Ostpreußen. Sein Vater war Justizrath daselbst.
denoted the D lines in Fraunhofer's scheme of alphabetic designation. With respect to these D lines Kirchhoff tells us that "Fraunhofer had noticed, that in the spectrum of a candle-flame two bright lines appear, which coincide with the two dark lines D in the solar spectrum."8 Kirchhoff now reported
In 1860 Robert Bunsen and Gustav Kirchhoff discovered two alkali metals, cesium and rubidium, with the aid of the spectroscope they had invented the year before. These discoveries inaugurated a new era in the means used to find new elements.
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May 23, 2018 · The German physicist Gustav Robert Kirchhoff (1824-1887) is best remembered for his pioneering work in spectroscopy that permitted investigation of the chemical composition of stars. Gustav Kirchhoff was born on March 12, 1824, in Königsberg, East Prussia, the son of a lawyer.
