Star-land : being talks with young people about the wonders of the heavens (1891)
Ball, Robert S. (Robert Stawell), Sir, 1840-1913 · London ; Paris : Cassell & Co. · leaf 40
de of the globe whichis towards her, she must first look along the upper dottedline, and then she must turn her glance downwardsuntil she comes to the lower line, and having to turnher eyes thus up and down she will think the globe isvery big, and she will be quite right. The boy is, asyou see, on… … Fig. 9.—The globe is so far off that it lies beyond the picture.The dotted lines show how small it seems. and down to see the whole globe. He can take it allin at a glance, and to him, therefore, the globe willappear to be comparatively small, because he is suffi-ciently far from it. The more…
Astronomy
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