Mathematical calculations to explain unexpected changes in the orbit of Uranus.
he used a telescope to discover Neptune
Astronomers used observational and mathematical skills to discover Neptune. They observed irregularities in the orbit of Uranus and calculated the gravitational influence needed to explain these irregularities, leading them to predict and discover the existence of Neptune.
Asians.
september 23,1846 by johan galle
september 23,1846 by johan galle
neptune
Neptune.
Neptune
In Neptune
Neptune was discovered on September 23, 1846 by Johan Galle.
James W Marshall was the frist to discover gold in california in the sutter mill.
1989