Star-land; being talks with young people about the wonders of the heavens (1899)
Ball, Robert Stawell, Sir, 1840- [from old catalog] · Boston and London, Ginn & company · leaf 45
less than the one-hundredthpart of the width of the sun. The tennis ball is, how-ever, only a quarter the width of the football, so wemust choose something a good deal smaller. I trywith a marble, even with the smallest marble I canfind, but when I measure it, I find that one hundredsuch marbles,… … Fig. 11. — How we compare the Earth and the Sun. About one hundred of these grains placed side by sidewill extend to a length equal to the width of thefootball. Now you will be able to form some con-ception of how enormous the sun really is. Think of SUN-SPOTS. 33 this earth, how big we find it…
Astronomy
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