CONTENTS:- Early Ideas; Modern Ideas; The New Astronomy; The distribution of the Stars; Distances of Stars: The sun's motion; Unity and Evolution of the Star-System; Are the Stars Infinite?; Our relation to the Milky Way; The Uniformity of matter and its laws; The essential characters of organisms; Physical conditions essential for life; The earth in relation to life; The atmosphere in relation to life; The atmosphere in relation to life; The other planets are hot habitable; The Starts: Have they planets? Are they useful to us?; Stability of the Star-System: Importance of Central Position: Summary and Conclusion;
