Sharpless, Isaac, 1848-1920, Philips, G. M. (George Morris), 1851-1920, joint author · Philadelphia, J.B. Lippincott company · leaf 96
s the apple turns. This repre-sents the precession of the equinoxes. This motion has also been compared to the motion of a top whenit is dying out. It then leans outward and slowly revolves. Onesuch revolution of the top represents the 26,000 year revolution ofthe earths axis. THE EARTH. 91 do so… … Fig. 20.—The 26,000 Year Path of the North Poleamoxg the stars. their north stars. Fig. 20 shows the path of the northpole among the stars as caused by the precession ofthe equinoxes. Some of the stars which generationsin the far future will probably use as north stars, aremarked. 74. Nutation.—If…
Astronomy
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
