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1609 __ « Astronomia Nova »
Johann Kepler (1571-1630)
Comment : Johann Kepler, who succeeded Tycho Brahé in 1601 as astronomer to the German Emperor Rudolph II, is the author of a treatise “On the Magnet” which was followed, during 1609, by his greatest work, the “Astronomia Nova”. The ‘Astronomia” contains the extraordinary book “On the motion of Mars”, and is said to hold the intermediate place, besides being the connecting link between the discoveries of Copernicus and those of Newton. Kepler’s doctrine is this enunciated by Dr. Whewell (“Physical Astronomy”, Chap. 1) : “A certain Force of Virtue resides in the sun by which all bodies within his influence are carried around him. He illustrates (“De Stella Martis”, Chap. XXXIV, p.3) the nature of this Virtue in various ways, comparing it to Light and to the Magnetic Power, which it resembles in the circumstances of operating at a distance, and also in exercising a feebler influence as the distance becomes greater.”. (Paul Fleury Mottelay)
French comment : “Astronomia Nova" est un ouvrage d'astronomie publié en 1609, écrit par Johannes Kepler (1571 - 1630) et qui contient les résultats de ses années de travail sur les mouvements de la planète Mars. Le titre complet en est "Astronomia nova aitiologetos, seu physica coelestis, tradita commentariis de motibus stellae Martis, ex observationibus G. V. Tychonis Brahe". (Compiled from various sources)
Source : Fleury Mottelay, Paul (1922), “Bibliographical History of Electricity and Magnetism, Chronologically Arranged”, Read Books (2008), pp. 95-97.
Source : Whewell, William (1875), "History of the Inductive Sciences, from the Earliest to the Present Time", New York : D. Appleton and Company, Vol. I, p. 386.
Source : Képler, Jean (1609[1979]), "Astronomie nouvelle (Astronomia nova)", Transl. by Jean Peyroux, Paris : librairie A. Blanchard.

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