Elements of astronomy: accompanied with numerous illustrations, a colored representation of the solar, stellar, and nebular spectra, and celestial charts of the northern and the southern hemisphere (1875)
Lockyer, Norman, Sir, 1836-1920 · New York, D. Appleton and company · leaf 103
rom thezenith—that is, the point directly overhead—and we haveperpetual summer: near the poles, the Sun never getsvery high, and we have perpetually the cold of winter.How, then, are the changing seasons in the temperatezones caused? 187. In Fig. 41 we were supposed to be looking downupon our… … Fig. 42.—Explanation of the apparent Altitude op the Sun in Summerand Winter. On the left we have the Earth at the winter solstice, whenthe axis of rotation is inclined away from the Sun to thegreatest possible extent. On the right we have it at thesummer solstice, when the axis of rotation is…
Astronomy
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