Which planet was discovered with newtons gravitational law?
Neptune was discovered using Newton’s gravitational law. William Herschel discovered Uranus in 1781. It’s 84 year orbit was worked out by Laplace in 1783. Later on discrepancies were noted in its orbit which resulted in the calculation of a perturbing planet Neptune which was found in 1846. See Wikipedia for the history of Uranus discovery and the discovery of Neptune.
