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 astroplanet.info

April 25, 1811
Honore Flaugergues (Viviers, France) discovered the Great Comet of 1811 in the evening sky.

April 25, 1962
Ranger 4, the first American spacecraft to reach the Moon crashes of the far side. "Dolt!"

April 25, 1983
Pioneer 10 travels beyond Pluto's orbit.

April 25, 1990
Hubble Space Telescope is deployed.

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