LIST OF ILLUSTRATIONS. 



MM 



PHOTOGRAPH OF THE MOON . . . Frontispiece 



SUNSPOTS . . 10 



THE SOLAR PROMINENCES 12 



THE SOLAR CORONA 13 



THE LUNAR Disc SHOWN AGAINST THE MAP OF EUROPE 51 

 LUNAR ORBIT COMPARED WITH CIRCUMFERENCE or THE 



SUN 52 



VlEW FROM THE SURFACE OF THE MOON . . .81 

 LUNAR CRATERS COMPARED WITH THE AREA OF ENGLAND 89 



THE MERIDIAN CIRCLE 107 



THE SUN AND ITS ATTENDANT WORLDS . . .114 

 SATURN AND HIS RINGS . . . . . .119 



THE GREAT NEBULA IN ORION 120 



THE GREAT SPIRAL NEBULA 139 



QRBITS op THE EARTH AND MARS . . . .15? 



