Astronomy for the use of schools and academies (1882)
Gillet, J. A. (Joseph Anthony), 1837-1908, Rolfe, W. J. (William James), 1827-1910 · New York : Potter, Ainsworth, & Co. · leaf 84
81, and 82 are enlarged views of the earth, as seen from the sun at the timeof the summer solstice, ofthe autumnal equinox, ofthe winter solstice, andof the vernal equinox. Fig. 83 is, so to speak,a side view of the earth,showing the limit of sun-shine on the earth whenthe sun is at the… … Fig. 80. 68 ASTRONOMY. upon the obliquity of the ecliptic.
Astronomy
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