ILLUSTRATIONS
Reading edition
A WHIRLING SPIRAL NEBULA, TYPICAL OF THAT FROM WHICH THE SUN AND PLANETS WERE PROBABLY EVOLVEDFrontispiece
MAP SHOWING THE CONSTELLATIONS OF THE ZODIAC AND THE LINE OF THE ECLIPTIC RUNNING THROUGH THEMFacing p. 76
THE LOVELY CRESCENT THAT VENUS SHOWS WHEN TO OUR VIEW SHE IS AT HER GREATEST BRILLIANCY" 136
RELATIVE APPARENT SIZE OF VENUS AT DIFFERENT PHASES OF ILLUMINATIONPage 137
THE TWO PHASES OF MARSFacing p. 152
MARS: DIFFERENCE IN ITS APPARENT SIZE AT ITS NEAREST, MIDDLE, AND FARTHEST DISTANCE FROM THE EARTHPage 169
JUPITER, THE MAMMOTH MEMBER OF THE SOLAR FAMILY—LARGER THAN ALL THE OTHER PLANETS PUT TOGETHER Facing p. 184
SATURN AND ITS RINGS" 220