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

April 23, 1962
The first American satellite to reach the Moon's surface, Ranger 4, is launched from Cape Canaveral, Florida.

April 23, 1995
The Association of Autonomous Astronauts is founded, dedicated to building their own spaceships and going to space. Good luck to all.

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