Newcomb, Simon, 1835-1909, Holden, Edward Singleton, 1846-1914, joint author · New York : H. Holt and company · leaf 130
ns to which we are thus led respectingthe real revolution of the earth are shown in Fig. 46.Here IS represents the sun, with the orbit of the earthsurrounding it, but viewed nearly edgeways so as to bemuch foreshortened. A B CD are the four cardinalpositions of the earth which corrjS])ond to the… … Fig. 46.—causes of the seasons. * same direction relative to the stars during an entire year,it follows that the different lines N S are all parallel.Again, since the equator does not coincide with the ecliptic,these lines are not perpendicular to the ecliptic, but arcinclined from this…
Astronomy
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