Pioneers of Science

CONTENTS

PART I
LECTURE I
PAGE
COPERNICUS AND THE MOTION OF THE EARTH	2
LECTURE II
TYCHO BRAHÉ AND THE EARLIEST OBSERVATORY	32
LECTURE III
KEPLER AND THE LAWS OF PLANETARY MOTION	56
LECTURE IV
GALILEO AND THE INVENTION OF THE TELESCOPE	80
LECTURE V
GALILEO AND THE INQUISITION	108
LECTURE VI
DESCARTES AND HIS THEORY OF VORTICES	136
LECTURE VII
SIR ISAAC NEWTON	159
LECTURE VIII
NEWTON AND THE LAW OF GRAVITATION	180
LECTURE IX
NEWTON'S "PRINCIPIA"	203
PART II
LECTURE X
ROEMER AND BRADLEY AND THE VELOCITY OF LIGHT	232
LECTURE XI
LAGRANGE AND LAPLACE—THE STABILITY OF THE SOLAR SYSTEM, AND THE NEBULAR HYPOTHESIS	254
LECTURE XII
HERSCHEL AND THE MOTION OF THE FIXED STARS	273
LECTURE XIII
THE DISCOVERY OF THE ASTEROIDS	294
LECTURE XIV
BESSEL—THE DISTANCES OF THE STARS, AND THE DISCOVERY OF STELLAR PLANETS	304
LECTURE XV
THE DISCOVERY OF NEPTUNE	317
LECTURE XVI
COMETS AND METEORS	331
LECTURE XVII
THE TIDES	353
LECTURE XVIII
THE TIDES, AND PLANETARY EVOLUTION	379

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