Who discovered Neptune,& in what year?

Answer After Uranus was discovered in 1871, the existence of Neptune was suspected due to the affect of its gravity on Uranus. John C. Adams estimated its location in 1843, and in 1846 Johann G. Galle fou... Read More »

Top Q&A For: Who discovered Neptune,& in what year

Who discovered Neptune and when?

Johann Galle Gottfried, a German astronomer who worked at the Berlin Observatory, discovered Neptune, the eighth planet from the sun, on Sept. 23, 1846. Astronomer John Couch Adams and mathematicia... Read More »

When was Neptune discovered?

Neptune was discovered by German astronomer Johann Gottfried Galle --- along with assistance from astronomy student Heinrich Louis d'Arrest --- in September 1946. Galle used the mathematical calcul... Read More »

Who discovered Neptune's rings?

Neptune's rings were discovered in 1989 by the Voyager 2 spacecraft. The rings are very dark, and their composition is unknown. The larger rings have been named: Adams, Leverrier, Galle, Lassell a... Read More »

Who discovered Neptune& how was it named?

Astronomers predicted Neptune's existence even before it was discovered, although it wasn't directly observed until 1846. Both Englishman John C. Adams and Frenchman Urbain Leverrier are credited w... Read More »