Smith, Hamilton Lanphere, 1819-1903. [from old catalog] · Cleveland, M. C. Younglove and company · leaf 62
nd in the heavens the position of the vernal equinox willappear to have shifted, contrary to the order of the signs, from Sto T ; hence, as the sun arrives at T before it can come to S, theequinoctial year is shorter than the siderial year. This shifting ofthe nodes is called the Precession of the… … change of place, in the position of the equinox, we infer very 60 THE WORLD, readily, must be caused by a motion of our earth, for it will benoticed, that the inclination of the ecliptic to the equator remainsunchanged. Let ABC, represent the ecliptic, and D B E, the celestialequator, intersecting…
Astronomy · Meteorology · Geology · Paleontology
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![An illustration from Nicolai Copernici Torinensis De reuolutionibus orbium coelestium, libri VI : Habes in hoc opere iam recens nato, & aedito, studiose lector, motus stellarum, tam fixarum, quàm erraticarum, cum ex ueteribus, tum etiam ex recentibus obseruationibus restitutos: & nouis insuper ac admirabilibus hypothesibus ornatos. Habes etiam tabulas expeditissimas, ex quibus eosdem ad quoduis tempus quàm facillime caculare poteris. Igitur eme, lege, fruere. [Line in Greek] (1543)](https://img.insideoutlibrary.com/img/200/ia-nicolaicopernici00cope-353-245.webp)
