The Planet Neptune

Today in Astronomy History
courtesy of astroplanet.info

February 9, 1497
Nicolaus Copernicus observes the lunar occulation the star Aldebaran.

February 9, 1971
Apollo 14 returns to Earth after a successful Moon landing.

February 9, 1986
Halley's Comet reach perihelion (closest pass to the Sun).

February 9, 1986
Halley's Comet reaches the 30th observed perihelion

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

February 9, 2010
Venus and Neptune in conjunction within 1° of each other

February 9, 2010
Waning, crescent moon passes within 9°10' of Pluto

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.

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