Planetes sentence example

planetes
  • Legendre, in 1783, extended Maclaurin's theorem concerning ellipsoids of revolution to the case of any spheroid of revolution where the attracted point, instead of being limited to the axis or equator, occupied any position in space; and Laplace, in his treatise Theorie du mouvement et de la figure elliptique des planetes (published in 1784), effected a still further generalization by proving, what had been suspected by Legendre, that the theorem was equally true for any confocal ellipsoids.
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  • Finally, in a celebrated memoir, Theorie des attractions des spheroides et de la figure des planetes, published in 1785 among the Paris Memoirs for the year 1782, although written after the treatise of 1784, Laplace treated exhaustively the general problem of the attraction of any spheroid upon a particle situated outside or upon its surface.
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  • Laplace's first separate work, Theorie du mouvement et de la figure elliptique des planetes (1784), was published at the expense of President Bochard de Saron.
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  • He also, about this time, wrote his " Recherches sur la figure des planetes," published in the Memoires of the French Academy, of which he was elected a member in succession to le Rond d'Alembert in 1783.
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