Winchell, Alexander, 1824-1891 · Chicago, S.C. Griggs and company · leaf 316
the right. The north pole leanstoward the sun. Summer in the northern hemisphere andwinter in the southern, occurs during perihelion. Next,suppose, in the same diagram, the north pole is turnedaway from the sun at perihelion, and the solar raysR, C, R, come from the left. Now, icinter in the… … Fig. 49. Climatic Effect of Chaxges in Relative Positions of ApsidesAND Solstices. The planetary effect of such changes in the position ofthe axis during the summer and winter periods of eachhemisphere, would be climatic. In the first case supposed,summer in the northern hemisphere concurs with…
Nebular hypothesis · Cosmogony
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