Copyright, 1921, by
The Century Company
Copyright, 1922, by
Duffield and Company
Printed in U. S. A.
CONTENTS
| CHAPTER | PAGE | |
| [Preface] | xiii | |
| I. | [The Constellations] | 3 |
| II. | [January] | 15 |
| III. | [February] | 21 |
| IV. | [March] | 28 |
| V. | [April] | 35 |
| VI. | [May] | 41 |
| VII. | [June] | 49 |
| VIII. | [July] | 56 |
| IX. | [August] | 64 |
| X. | [September] | 71 |
| XI. | [October] | 78 |
| XII. | [November] | 84 |
| XIII. | [December] | 90 |
| XIV. | [Stars of the Southern Hemisphere] | 96 |
| XV. | [The Milky Way or Galaxy] | 107 |
| XVI. | [The Surface of the Sun] | 113 |
| XVII. | [The Solar System] | 119 |
| XVIII. | [The Origin of the Earth] | 127 |
| XIX. | [Jupiter and His Nine Moons] | 139 |
| XX. | [The Rings and Moons of Saturn] | 148 |
| XXI. | [Is the Moon a Dead World] | 156 |
| XXII. | [Comets] | 165 |
| XXIII. | [Meteorites] | 173 |
| XXIV. | [The Earth As a Magnet] | 183 |
| XXV. | [Some Effects of the Earth's Atmosphere Upon Sunlight] | 193 |
| XXVI. | [Keeping Track of the Moon] | 207 |
| XXVII. | [The Motions of the Heavenly Bodies] | 216 |
| XXVIII. | [The Evolution of the Stars—From Red Giants to Red Dwarfs] | 225 |
| XXIX. | [Double and Multiple Stars] | 230 |
| XXX. | [Astronomical Distances] | 241 |
| XXXI. | [Some Astronomical Facts Worth Remembering] | 250 |
ILLUSTRATIONS