Stars and telescopes; a hand-book of popular astronomy founded on the 9th ed. of Lynn's Celestial motions (1901)
Todd, David P. (David Peck), 1855-1939, Lynn, William Thynne, 1835-1911 · Boston, Little, Brown · leaf 45
cause at the end of it the Earth is in the sameposition with respect to the Sun and the stars. But,just as the conveniences of life lead us to regard asthe day not the precise period of time in which theEarth completes one ro-tation on its axis rela-tively to the stars, so dothey not allow us… … POSITION OF THE VERNAL EQUINOXB. C. 2170 sons in conse- j^3JB55i~-;^B ilfi TO INDICATE THE PRESENT POSITIONOF THE VERNAL EQUINOX, NOWPASSED BEYOND TAURUS ANDARIES quence of a slow conicalmovement of the Earthsaxis (occupying about25,800 years to com-plete a whole round, andcalled precession of the…
Astronomy
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