Elementary astronomy; a beginner's text-book (1899)
Holden, Edward Singleton, 1846-1914 · New York, H. Holt and company · leaf 195
e Suns North-polar distance at E is 90°; D 66£°; F « 90°; 0 113^°, it si a a 16 K 174 ASTRONOMY. In Fig. 110 the oval line represents the path of the Earthin its annual revolution about the Sun in the ecliptic. Theline NS in each picture of the Earth represents the Earthsaxis, JVits north end. The… … Fig. 110.—The Seasons. The Earth is shown in four positions in its orbit. A = the winter sol-stice ; B = the vernal equinox ; C = the summer solstice ; D = the au-tumnal equinox. The orbit of the Earth is nearly a circle. It is muchforeshortened in the picture. The Earths axis is perpendicular to…
Astronomy
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