Recherches sur les mouvements de la planète Herschel.
Paris: Bachelier, 1846. First edition, second offprint issue, very rare, of Le Verrier’s mathematical prediction of the existence of Neptune, “undeniably one of the major scientific events of the nineteenth century” (Lequeux, p. 22). “Neptune, whose existence was visually confirmed in 1846, was the first planet to be discovered by..... More
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