Über die Entstehung des Planetensystems - Vortrag gehalten in Heidelberg und Cöln am Rhein im Jahre 1871, pp. 101-139.
Braunschweig: Friedrich Vieweg & Sohn, 1876.
1st Edition. Hardcover. Very Good. Item #003883
In: Populäre Wissenschaftliche Vorträge, drittes Heft. Braunschweig: Friedrich Vieweg & Sohn, 1876. 8vo (213 x 136 mm), vii, [3], 139 [1]; [1], vi-xxv, [2], 582-598 pp. Simple card boards, cloth backed spine, hand-lettered paper label (spine worn, label chipped). Text somewhat browned and with occasional foxing (stronger to first pages including title). ----
The lecture was Hermann Helmholtz's farewell lecture in Heidelberg in 1871. He presented Immanuel Kant's and Pierre-Simon Laplace's independently developed hypothesis that the solar system was created through the attraction and repulsion of matter. As proof of the similarity of matter between the sun and the earth, he refers to the results of the spectral analysis developed by Robert W. Bunsen and Gustav R. Kirchhoff in Heidelberg in 1860.
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