247

CHAPTER XX
REMARKABLE COMETS 259

CHAPTER XXI
METEORS OR SHOOTING STARS 266

CHAPTER XXII
THE STARS 278

CHAPTER XXIII
THE STARS--_continued_ 287

CHAPTER XXIV
SYSTEMS OF STARS 300

CHAPTER XXV
THE STELLAR UNIVERSE 319

CHAPTER XXVI
THE STELLAR UNIVERSE--_continued_ 329

CHAPTER XXVII
THE BEGINNING OF THINGS 333

CHAPTER XXVIII
THE END OF THINGS 342

INDEX 351

LIST OF ILLUSTRATIONS

LIST OF PLATES

PLATE
THE TOTAL ECLIPSE OF THE SUN
OF AUGUST 30, 1905 _Frontispiece_

I. THE TOTAL ECLIPSE OF THE SUN
OF MAY 17, 1882 _To face page_ 96

II. GREAT TELESCOPE OF HEVELIUS " " 110

III. A TUBELESS, OR "AERIAL" TELESCOPE " " 112

IV. THE GREAT YERKES TELESCOPE " " 118

V. THE SUN, SHOWING SEVERAL
GROUPS OF SPOTS " " 134

VI. PHOTOGRAPH OF A SUNSPOT " " 136

VII. FORMS OF THE SOLAR CORONA
AT THE EPOCHS OF SUNSPOT
MAXIMUM AND SUNSPOT
MINIMUM RESPECTIVELY.
(A) THE TOTAL ECLIPSE OF
THE SUN OF DECEMBER 22, 1870.
(B) THE TOTAL ECLIPSE OF
THE SUN OF MAY 28, 1900 " " 142

VIII. THE MOON _To face page_ 196

IX. MAP OF THE MOON, SHOWING
THE PRINCIPAL "CRATERS,"
MOUNTAIN RANGES AND
"SEAS" " " 198

X. ONE OF THE MOST INTERESTING
REGIONS ON THE MOON " " 200

XI. THE MOON (SHOWING SYSTEMS
OF "RAYS") " " 204

XII. A MAP OF THE PLANET MARS " " 216

XIII. MINOR PLANET TRAILS " " 226

XIV. THE PLANET JUPITER " " 230

XV. THE PLANET SATURN " " 236

XVI. EARLY REPRESENTATIONS OF
SATURN " " 242

XVII. DONATI'S COMET " " 256

XVIII. DANIEL'S COMET OF 1907 " " 258

XIX. THE SKY AROUND THE NORTH
POLE " "