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Walter W. Bryant

Book Overview: 

This biography of Johannes Kepler begins with an account of what the world of astronomy was like before his time, then proceeds to a look at his early years. Two chapters deal with his working relationship with Tycho Brahe. These are followed by a look at Kepler's laws and his last years.

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Book Excerpt: 
. . .ouraged him to devote himself to his newly adopted science, and the first result of this advice appeared before very long in Kepler’s “Mysterium Cosmographicum”. The bent of his mind was towards philosophical speculation, to which he had been attracted in his youthful studies of Scaliger’s “Exoteric Exercises”. He says he devoted much time “to the examination of the nature of heaven, of souls, of genii, of the elements, of the essence of fire, of the cause of fountains, the ebb and flow of the tides, the shape of the continents and inland seas, and things of this sort”. Following his tutor in his admiration for the Copernican theory, he wrote an essay on the primary motion, attributing it to the rotation of the earth, and this not for the mathematical reasons brought forward by Copernicus, but, as he himself says, on physical or metaphysical grounds. In 1595, having more leisure from lectures, he turned his speculative mind t. . . Read More

Community Reviews

Not the underrated gem I'd hoped for. A lackluster end to the year. Simply put, it's a rather dull book with, at times, dated language.

Short and concise biography of a great scientist

Kepler vivió en una época en que la ciencia no tenía la menor noción de las
leyes físicas ocultas en la naturaleza.
Fue la primera persona en la historia de la especie humana en entender correcta y cuantitativamente la mecánica de los planetas y el Sistema Solar.
Introdujo tres leyes importantes acerc