PRINTED IN THE UNITED STATES OF AMERICA
PUBLISHED OCTOBER, 1912


CONTENTS

CHAP.PAGE
I.On Making Acquaintance with the Planets[1]
II.Our Relation to the Planets[11]
III.What the Planets Are, and What They Appear to Be[17]
IV.The Origin of the Planets[26]
V.The Seven Great Planets[38]
VI.The Movements of the Planets[46]
VII.How the Inferior Planets Seem to Move[56]
VIII.How the Superior Planets Seem to Move[65]
IX.The Path of the Planets[71]
X.Mercury—When and Where to Find Mercury—Distance and Brightness—Mercury’s Size and the Consequences of It—What the Sun Does for Mercury—Transits[93]
XI.Venus—When and Where to See Venus—Distance and Brilliancy—Venus’s Likeness to the Earth—Atmosphere, Day and Night, and Seasons—Transits[122]
XII.Mars—How to Identify Mars—When and Where Mars May Be Seen—Size, Atmosphere, and Temperature—Distance and Brilliancy—Day and Night, and Seasons—Surface Aspects—Satellites[151]
XIII.Jupiter—Place in the Sky—Distance, Light, and Heat—Day and Night, Seasons, and Atmosphere—Surface Features—System of Satellites[183]
XIV.Saturn—Around One Circuit of the Skies with Saturn—Distance and Size—Surface Aspects and Constitution—Day and Night—The Rings and Moons of Saturn—Seasons[206]
XV.Uranus[225]
XVI.Neptune[234]
XVII.The Little Planets, or the Asteroids[244]
XVIII.Conclusion[258]
Symbols Used in Almanacs[267]
Index[269]

ILLUSTRATIONS

A WHIRLING SPIRAL NEBULA, TYPICAL OF THAT FROM WHICH THE SUN AND PLANETS WERE PROBABLY EVOLVED[Frontispiece]
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 TOGETHERFacing p. [184]
SATURN AND ITS RINGS"  [220]

THE
WAYS OF THE PLANETS