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John Couch Adams

(1819—1892) astronomer


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(1819–92)

English mathematical astronomer. In 1843 he began to calculate the orbit of a new planet whose gravitational effects would explain why Uranus did not follow its predicted path, but he did not complete his calculations or publish them. In 1846 the new planet, subsequently named Neptune, was sighted by J. G. Galle as a result of independent calculations by U. J. J. Le Verrier. Adams and Le Verrier were eventually both credited with predicting Neptune's existence, although it is now clear that the credit belongs mainly to Le Verrier. Adams' later work included calculation of the Moon's secular acceleration, and of the orbital elements of the Leonid meteor swarm.

Subjects: Astronomy and Astrophysics.


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