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 176
escribe a curve,which is convex to the south, as shown at A. In June, they cross the Suns disc in nearlystraight lines, but incline upward. In September, they curve again, though in the oppo-site direction ; and in December, pass over in straight lines, inclining downward. Thefigures li and D show… … Let the student imagine himself stationed upon th*» earth at A, in March, looking uponPis sun in the center, whose north or upper pole is now inclined toward him. The spotswill then curve e&v« +irard. Three months afterward—viz., in June—the earth will be 832, In what g&neral direction do…
Constellations · Stars
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