Wilkins, John H. (John Hubbard), 1794-1861 · Boston, Hilliard, Gray, Little, and Wilkins · leaf 24
ies turn on their axes, is vari-ous ; but generally the largest turn quickest. A wirepassing through the centre of an apple properly representsthe axis of a planet. The extremities of an axis are called POLES. 11. If the earth were seen from the sun, (PL I, fig1,) it would appear to describe a… … Of the Solar System in general. 7 whole orbit. While the earth, viewed from the sun,would describe this circle among the stars, the sun, tous on earth, appears to describe precisely the samecircle, only beginning at the opposite point. For whilethe earth actually moves from A to B, the sun…
Astronomy
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