The book of stars; being a simple explanation of the stars and their uses to boy life, written to conform to the tests of the Boy scouts (1915)
Collins, A. Frederick (Archie Frederick), 1869- · New York, D. Appleton and company · leaf 109
MOON EARTH Fig. 101.—Moon and Earth Joined Together Like a Dumbbell. off into space and became a planet so the Moon was oncea part of the Earth and was thrown off and became herdaughter. The first idea as to how the Moon was made is that a smallercore was formed in the gaseous matter of the Earth… … Fig. 102. — Balls Con-nected with an Elastic. together like a dumbbell, as shown in Fig. 101, began to spread apart like a pair of balls fastened together with a piece of elasticwhen they are whirled rapidlyround each other, as shown in Fig.102. So, too, the high speed withwhich the Earth turned on…
Astronomy · Stars
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