The Planet Neptune

Today in Astronomy History
courtesy of astroplanet.info

July 6, 1687
Isaac Newton publishes Principia outlining his 3 Laws of Motion.

...also in Astronomy Today
courtesy of astroplanet.info

July 6, 2008
Mars, Saturn, Waxing, crescent Moon in conjunction - less than 4° of each other

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.