(1819–92), English astronomer. In 1843 he calculated the position of a supposed planet beyond Uranus; similar calculations performed by Le Verrier resulted in the discovery of Neptune three years later.
Definition of Adams, John Couch in US English:
Adams, John Couch
proper nounˈædəmzˈadəmz
(1819–92), English astronomer. He postulated the existence of an eighth planet in 1843, three years before Le Verrier discovered Neptune.