Clusters of Stars
Nebulæ
Variable Stars
Temporary, New, and Lost Stars
Movements of Stars
XI. THE WORLDS AND THE WORD
XII. THE ULTIMATE FORCE
SUMMARY OF LATEST DISCOVERIES AND CONCLUSIONS
SOME ELEMENTS OF THE SOLAR SYSTEM
EXPLANATION OF ASTRONOMICAL SYMBOLS
Signs of the Zodiac
Other Abbreviations Used in the Almanac
Greek Alphabet Used Indicating the Stars
CHAUTAUQUA OUTLINE FOR STUDENTS
GLOSSARY OF ASTRONOMICAL TERMS AND INDEX




[Page xi]
ILLUSTRATIONS

FIG.
The Constellations of Orion and Taurus
1. An Orbit resulting from Attraction and Projection
2. The Moon's Orbit about the Earth
3. Changes of Orbit by Mutual Attraction
4. Velocity of Light measured by Jupiter's Satellites
5. Velocity of Light measured by Fizeau's Toothed Wheel
6. White Light resolved into Colors