Johnson, Gaylord · New York, The Macmillan company · leaf 116
calledPolaris because the polar axis of the earth pointsat it. You see that Polaris is so far away that thethickness of the earth is nothing in comparison tothe immense distance, so any line parallel to theearths axis will also point to Polaris,^ By the time the children and Uncle Henry hadtheir… … 102 THE SKY MOVIES Ooh! cried Betty, now I see what the cross-ways hoop is for! What is it for? asked Uncle Henry, smiling withpleasure, as he always did when the children dis-covered things for themselves. Why, its to catch the shadow in the morning andafternoon. The arm of the hoop toward the…
Astronomy
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