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

October 8, 1604
The supernova known as "Kepler's nova" is first observed

October 8, 1647
Danish astronomer, Christian Sorensen Longberg, dies. Longberg clung to the Tycho view of the Solar System and believe that he had Squared the Circle (using 3.14185 an PI) and refused to believe when others tried in vain to convince him of his errors.

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