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作       者:Hale, George Ellery, 1868-1938

出版时间:2017-11-28

字       数:9.8万

所属分类: 教育 > 外语 > 实用英语

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Fourteen years ago, in a book entitled "The Study of Stellar Evolution" (University of Chicago Press, 1908), I attempted to give in untechnical language an account of some modern methods of astrophysical research. This book is now out of print, and the rapid progress of science has left it completely out of date. As I have found no opportunity to prepare a new edition, or to write another book of similar purpose, I have adopted the simpler expedient of contributing occasional articles on recent developments to Scribner's Magazine, three of which are included in the present volume.
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PREFACE

ILLUSTRATIONS

CHAPTER I

EARLY INSTRUMENTS

STRUCTURE OF THE UNIVERSE

MODERN METHODS

REFRACTORS AND REFLECTORS

100-INCH TELESCOPE

ATMOSPHERIC LIMITATIONS

CRITICAL TESTS

CLOSE DOUBLE STARS

CHAPTER II

STAR IMAGES

THE INTERFEROMETER

A LABORATORY EXPERIMENT

THE 20-FOOT INSTRUMENT

THE GIANT BETELGEUSE

STELLAR EVOLUTION

TWO OTHER GIANTS

CHAPTER III

SOLAR HELIUM

SUN-SPOTS AS MAGNETS

THE TOWER TELESCOPE

STELLAR CHEMISTRY

ASTROPHYSICAL LABORATORIES

NEWTON AND EINSTEIN

TRANSMUTATION OF THE ELEMENTS

COSMIC PRESSURES

PRACTICAL VALUE OF RESEARCHES ON THE CONSTITUTION OF MATTER

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