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Cecil Goodrich Julius Dolmage. Astronomy of To-day: A Popular Introduction in Non-Technical Language
Astronomy of To-day: A Popular Introduction in Non-Technical Language
Table of Contents
PREFACE
LIST OF DIAGRAMS
ASTRONOMY OF TO-DAY
CHAPTER I
THE ANCIENT VIEW
CHAPTER II
THE MODERN VIEW
CHAPTER III
THE SOLAR SYSTEM
CHAPTER IV
CELESTIAL MECHANISM
CHAPTER V
CELESTIAL DISTANCES
CHAPTER VI
CELESTIAL MEASUREMENT
CHAPTER VII
ECLIPSES AND KINDRED PHENOMENA
CHAPTER VIII
FAMOUS ECLIPSES OF THE SUN
CHAPTER IX
FAMOUS ECLIPSES OF THE MOON
CHAPTER X
THE GROWTH OF OBSERVATION
CHAPTER XI
SPECTRUM ANALYSIS
CHAPTER XII
THE SUN
CHAPTER XIII
THE SUN—continued
CHAPTER XIV
THE INFERIOR PLANETS
CHAPTER XV
THE EARTH
CHAPTER XVI
THE MOON
CHAPTER XVII
THE SUPERIOR PLANETS
CHAPTER XVIII
THE SUPERIOR PLANETS—continued
CHAPTER XIX
COMETS
CHAPTER XX
REMARKABLE COMETS
CHAPTER XXI
METEORS OR SHOOTING STARS
CHAPTER XXII
THE STARS
CHAPTER XXIII
THE STARS—continued
CHAPTER XXIV
SYSTEMS OF STARS
CHAPTER XXV
THE STELLAR UNIVERSE
CHAPTER XXVI
THE STELLAR UNIVERSE—continued
CHAPTER XXVII
THE BEGINNING OF THINGS
CHAPTER XXVIII
THE END OF THINGS
INDEX
THE SCIENCE OF TO-DAY SERIES
THE SCIENCE OF TO-DAY SERIES
THE ROMANCE OF. MODERN ELECTRICITY
THE ROMANCE OF SAVAGE LIFE
THE ROMANCE OF PLANT LIFE
THE ROMANCE OF INSECT LIFE
THE ROMANCE OF. MODERN MECHANISM
A Catalogue of Books on Art, History, and General Literature. Published by Seeley, Service & Co. Ltd. 38 Great Russell St. London
CATALOGUE OF BOOKS
THE CROWN LIBRARY
EVENTS OF OUR OWN TIMES
THE ILLUMINATED SERIES
MINIATURE LIBRARY OF DEVOTION
MINIATURE PORTFOLIO MONOGRAPHS
THE LIBRARY OF MISSIONS
THE NEW ART LIBRARY
PORTFOLIO MONOGRAPHS ON ARTISTIC SUBJECTS
SCIENCE OF TO-DAY SERIES
SEELEY'S ILLUSTRATED POCKET LIBRARY
THE STANDARD LIBRARY
THE THINGS SEEN SERIES
Отрывок из книги
Cecil Goodrich Julius Dolmage
Published by Good Press, 2019
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How indeed are we to get a grasp of such distances, when those to which we are ordinarily accustomed—the few miles' walk, the little stretch of sea or land which we gaze upon around us—are so utterly minute in comparison? The fact is, that though men may think that they can picture in their minds such immense distances, they actually can not. In matters like these we unconsciously employ a kind of convention, and we estimate a thing as being two or three or more times the size of another. More than this we are unable to do. For instance, our ordinary experience of a mile enables us to judge, in a way, of a stretch of several miles, such as one can take in with a glance; but in our estimation of a thousand miles, or even of one hundred, we are driven back upon a mental trick, so to speak.
In our attempts to realise such immense distances as those in the solar system we are obliged to have recourse to analogies; to comparisons with other and simpler facts, though this is at the best a mere self-cheating device. The analogy which seems most suited to our purpose here, and one which has often been employed by writers, is borrowed from the rate at which an express train travels.
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