Ball, R[obert] S[tawell], Sir, 1840- [from old catalog] · New York, H. Holt and company · leaf 121
of the earth willneutralise each other.If, however, from anycause the position ofthe earth be slightly deranged so that it occupies theplace indicated by the dotted lines, then the cen-trifugal force acting upon the protuberant portionswiil have the effect of making the axis slowly revolvearound… … Precession of the Equinoxes. 103 effect of precession) remains constantly parallel toitself. A familiar illustration of the same permanencyof an axis of rotation is presented by the humming top,which will stand up straight when it is spinning, thoughit will not do so when at rest. § 84. Cause of…
Astronomy
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