The geography of the heavens and classbook of astronomy; (1863)
Burritt, Elijah H. (Elijah Hinsdale), 1794-1838, Mattison, Hiram, 1811-1868, Whitall, Henry, 1819-1887? Celestial planisphere. [from old catalog] · New York, Mason brothers; Boston, Mason & Hamlin; [etc., etc.] · leaf 294
At this time, the north pole of the Earths axis is turned from theSun, into perpetual darkness; while the south pole, in its turn, is brought into the lightof the Sun, whereby the whole Antarctic region comes into the circle of perpetual illumi-nation. It is now that the southern hemisphere enjoys… … * This diagram and the accompanying explanations should be carefully studied tillhey are thoroughly understood by the learner. The cause of the seasons and of thean -oual lengths of the days and nights, is a matter of which no professedly educatedperson ought to be ignorant, or to entertain…
Constellations · Stars
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