The Planet Neptune Information

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 27, 413 BCE
A lunar eclipse causes panic in Athens' fleet.

August 27, 1962
NASA launches Mariner 2.

August 27, 2003
Mars makes the closest pass with Earth in 60,000 years and comes within 55,750,000 km.

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