Kepler, Johannes
ASTRONOMIA NOVA ΑΙΤΙΟΛΟΓΗΤΟΣ, SEU PHYSICA COELESTIS, TRADITA COMMENTARIIS DE MOTIBUS STELLAE MARTIS, EX OBSERVATIONIBUS G.V. TYCHONIS BRAHE. [HEIDELBERG: E. VÖGELIN], 1609
LOT SOLD.
212,500 GBP
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Music, Continental and Russian Books and Manuscripts
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Kepler, Johannes
ASTRONOMIA NOVA ΑΙΤΙΟΛΟΓΗΤΟΣ, SEU PHYSICA COELESTIS, TRADITA COMMENTARIIS DE MOTIBUS STELLAE MARTIS, EX OBSERVATIONIBUS G.V. TYCHONIS BRAHE. [HEIDELBERG: E. VÖGELIN], 1609
folio (369 x 235mm.), blank leaf after title-page and at end, folding letterpress table, woodcut initials, head- and tailpieces, woodcut diagrams, contemporary manuscript table on rear flyleaf headed "Expositio verborum astrologicorum", contemporary reversed calf, blind triple fillet border, in modern calf-backed box with morocco lettering-pieces, without the engraved portrait, table slightly torn without loss, first few leaves frayed at edges, slight damp-staining and worming in margins, binding repaired at corners and ends of spine, binding slightly soiled
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Provenance
Jo. Winstanley, seventeenth-century inscription at head of title-page
Literature
Caspar 31; Norman 1206; PMM 112; VD17 23:000587W; Zinner 4237
Catalogue Note
FIRST EDITION of Kepler's masterpiece of modern astronomy, boldy entitled The New Astronomy. Here Kepler describes his first two laws of planetary motion, in which the orbits of planets are shown to be elliptic rather than circular, demonstrated by his calculations of the orbit of Mars, and the law of equal areas, which shows that the planets move faster when they are closer to the sun. Its influence on other great astronomers, from his contemporary Galileo to the later Newton, was substantial and enabled Newton to form his own laws of motion and universal gravitation. Kepler's and Newton's laws became the basis of celestial mechanics.
Kepler, a student of the "cautious Copernican" Michael Maestlin in Tübingen, used Copernicus's theory of heliocentrism as the basis for his treatise, and combined it with the observational accuracy of Tycho Brahe, whose calculations he acquired through his post as imperial mathematician to Rudolf II, following Tycho's death in Prague in 1601. Disagreement with Tycho's heirs led to delays with the publication which only commenced in the summer of 1608, once Tycho's son-in-law, Franz Tengnagel, was able to add a note to the reader regarding Kepler's deviance from Tycho's calculations. The publication was supposed to be distributed privately by the Emperor, but Kepler sold some copies to the printer in an attempt to recoup some of his salary which was in arrears.
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