Planet - Neptune

Welcome to Planet Neptune
A website about the planet Neptune

Named after the Roman god of the sea, Neptune is a gas giant which is visable to telescopic viewing. The existence of Neptune was mathmatically predicted by Urban Le Verrier in 1846 and was discovered on September 23, 1846 by James Challis with 1° of the position predicted by Le Verrier.

Today in Astronomy History
courtesy of astroplanet.info

September 1, 5509 BCE
Day of Creation according to the Byzantine Empire

September 1, 1804
German astronomer Karl Ludwig Harding discovers one of the largest main belt asteroids, Juno.

September 1, 1859
The first solar flare is observed and it effects telegraph service.

September 1, 1882
The first observations of the Great September comet of 1882 are made at the Gulf of Guinea and at the Cape of Good Hope.

September 1, 1979
Pioneer 11 becomes the first spacecraft to visit Saturn as it passes at 21,000 km

Home | Observing Neptune | Neptunian Facts | Moons of Neptune | Neptunian Opposition | Glossary | Email | Links