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2019-03-18 15:32:12
BRAHE, Tycho
Astronomiae Instauratae Progymnasmata, quorum hunc cassel pars prima de restitutione motuum solis et lunae, stellarumque inerrantium tractat et praeterea de admiranda nova stella anno 1572 exorta luculenter agit. Frankfurt: Gottfried Tampach, 1610. [With:] De Mundi Aetherei recentioribus Phaenomenis. Liber Secundus. Excudi primun coeptius Uraniburgi Daniae, ast Pragae Bohemiae absolutus. Frankfurt: Gottfried Tampach, 1610 (Colophon: Pragae Bohemorum, Absolvebatur Typis Schumanianis, Anno Domini 1603). [With:] Epistolarum Astronomicarum Libro. Quorum primus hic Illustriss. et Laudatiss. Principis Gulielmi Hassiae Landtgravij ac ipsius Mathematici Literas, unaque Responsa ad singulas complectitur . Frankfurt: Gottfried Tampach, 1610 (Colophon: Uraniburgi, Ex officina Typographica Authoris, Anno Domini, 1596)
Tampach, Frankfurt, 1610. An extraordinary sammelband, uniting the three most important works of the great Danish astronomer, all in first edition, Frankfurt issues, in two volumes uniformly bound in contemporary vellum. "Tycho Brahe's contributions to astronomy were enormous . He revolutionized astronomical instrumentation. He also changed observational practice profoundly. Whereas earlier astronomers had been content to observe the positions of planets and the Moon at certain important points of their orbits, Tycho and his cast of assistants observed these bodies throughout their orbits. Without these complete series of observations of unprecedented accuracy, Kepler could not have discovered that planets move in elliptical orbits . Tycho's observations of the new star [now recognized to have been a supernova] of 1572 and comet of 1577, and his publications on these phenomena, were instrumental in establishing the fact that these bodies were above the Moon and that therefore the heavens were not immutable as Aristotle had argued and philosophers still believed . Further, if comets were in the heavens, they moved through the heavens. Up to now it had been believed that planets were carried on material spheres that fit tightly around each other. Tycho's observations showed that this arrangement was impossible because comets moved through these spheres" (Galileo Project). "Astronomiae instauratae progymnasmata was produced in 1602 by the author's own press at Uraniborg, and only a small number were printed for dedication purposes. It contains important investigations on the n … [Click Below for Full Description]
Bookseller: SOPHIA RARE BOOKS [Koebenhavn V, Denmark]
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