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

August 28, 1789
William Herschel discovers Saturn's Moon, Enceladus.

August 28, 1993
The Galileo - USA & Europe Jupiter Orbiter/Atmospheric Probe makes an encounter with asteroid 243 Ida and its newly-discovered moon, Dactyl

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