Aldrich, Thomas Bailey, 1836-1907 · Boston, CT : Hall and Locke · leaf 331
n all the planets. We takeNeptune, the outermost, at once. Todraw its path I open the compasses to thirtyinches, and draw a circle with that radius. Thatwill do for our solar system, though the comets nodoubt will roam beyond these limits. To completeour map we ought of course to put in some… … The Stars 297 map. Sirius is beyond Neptune, so it must be out-side somewhere. Indeed, it is a good deal furtheroff than Neptune ; so I try at the edge of the drawing-board ; I have got a method of making a Httle calcula-tion that I do not intend to trouble you with, but Ican assure you that the…
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