...create a mechanism in some respects new. The object was, to assign the physical cause, that produces the precession of the equinoxes, and the nutation of the Earth's axis, according to the newtonian system, Observations had taught, that the axis of the Earth has a circular...

...considered, whenever very nice calculations of their relative places are examined into. Article V treats on the precession of the equinoxes, and the nutation of the earth's axis. These are two effects, which arise from the inclination of the terrestrial axis to the plane of the...

...the fame principles to be TsVr of Jupiter's whole gravity. CHAP. IV. OF THE FIGURES OF THE PLANETS; THE PRECESSION OF THE EQUINOXES, AND THE NUTATION OF THE EARTH'S AXIS. o A MASS of fluid matter will, by its gravity, form itfelf into a fphere. For if the whole mafs be...

...the Phil. Trans,., VOL. XI. D the worth of any performance of that kind. The first essay is a Theory of the Precession of the Equinoxes, and the Nutation of the Earth's Axis ; which, as is indebted to you for the discovery of the cause on which it is founded, as it also for...

...but far the greater number of observations differ but little from — , which the 3U4computation from the phenomena of the precession of the equinoxes and...as Gen. Roy has remarked, " that philosophers are Vol. ni. L not not yet agreed in opinion with regard to the exact figure of the earth; some contending...

...same equations as the perturbations of the motion of 'a point attracted toward a fixed centre ; thus the precession of the equinoxes, and the nutation of the earth's axis, will be expressed by the samefonrru1s, as give the variations of the elh/tical elements of the planets."...

...same ' equations as the perturbations of the motion of a point attracted toward a fixed centre. Thus the precession of the equinoxes, and the nutation of the Earth's axis, will be expressed by the same formula*, as give the variations of the elliptical elements of the planets....

...Observations. . Ou the Precession and Nutation arising from the Action of tlie Moon. i • 1O27. The inequality of the precession of the equinoxes, and the nutation of the earth's axis, arising from the attraction of the moon in different situations of its nodes, was discovered by Dr....

...well known modification of Newton's theorem, derived from the diminution: of gravity, gives ^4-?-. The phenomena of the precession of the equinoxes and the nutation of the earth's axes give •j-^-pfor the maximum limit. A lunar inequality in longitude depending upon the earth's...

...the refraction of light while passing through the atmosphere ; — the attractions of mountains ; — the precession of the equinoxes, and the nutation of the earth's axis ; — the irregular figure and balancing of Saturn's ring, and the dependence of that balancing upon...