ACCOMPANIED BY NASA PHOTOS AND DORROS' COLORFUL DRAWINGS, BRANLEY'S TEXT EXPLAINS THE EARTH'S ROTATION IN CLEAR AND SIMPLE TERMS. AN EXPERIMENT USING A LAMP AS THE "SUN" FURTHER CLARIFIES THE PRINCIPLES INTRODUCED.
[NAVER 제공]
상세정보
What Makes Day and Night (Paperback, Revised) - Franklyn Mansfield Branley