Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York, H. Holt · leaf 118
as beenknown from early ages. We now know that this motion MOTION OF THE EARTH. 99 is due to the annual revolution of the earth round thesun. It is to the nature and effects of this annual revolu-tion of the earth that the attention of the reader is nowdirected. Our first lesson is to show the… … REVOLUTION OF THE EARTH. fixed stars. This sphere, being supposed infinitely dis-tant, must be considered as infinitely larger than the circleA B C D. Suppose now that 1, 2, 3, 4, 5, 6 are anumber of consecutive positions of the earth. The lineIS drawn from the sun to the earth in the first…
Astronomy
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