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Outlines of astronomy (1850)

List, C, Hall, T. G. (Thomas Grainger), 1803-1881 · Philadelphia : Thomas Cowperthwait & Co. and Carey & Hart · leaf 49

An illustration from Outlines of astronomy, 1850, leaf 49
ASTRONOMY. the sun is above the equator, as in this figure, theday is longer than the night. Let us now turn to b, which is below the equa-tor, then b c will represent half the night, and c bhalf the day, but b c is plainly greater than c b ;or the night in southern latitudes, in this positionof… … 0|sl- Here the north pole is in the shaded part of thefigure, and s the south pole, in that part alwaysexposed to the sun; and a line drawn from o toe a falls below e q, or the sun is below the equa-tor ; if now we take two places a and b, the onenorth and the other south of the equator, it is…

Astronomy

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