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Neptune is the outermost planet of the Jovian planets. Similar to Uranus, its atmosphere is composed of hydrogen, helium and methane. Neptune is discovered by Johann Gottfried Galle in September 23, 1846. Although Neptune's ...
http://library.thinkquest.org/C006574/neptune.html
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Neptune was predicted by mathmatical calculations and first observed on Sept 23, 1846 by Johann Galle, Urbain Le Verrier and John Couch Adams. On August 25, 1989, the Voyager 2 flew past Neptune.
http://wiki.answers.com/Q/Who_discovered_Neptune
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A day on Neptune is 16 hours and 6.7 minutes. Neptune was discovered on September 23, 1846 by Johann Gottfried Galle, of the Berlin Observatory, and Louis d'Arrest, an astronomy student, through mathematical predictions made by Urbain Jean Joseph Le Verrier.
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www.solarviews.com/eng/neptune.htm
www.solarviews.com/eng/neptune.htm
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But Neptune can only be seen in a telescope. And since telescopes have only been around for a few hundred years, Neptune was discovered recently. So, who discovered Neptune?
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www.universetoday.com/guide-to-space/neptune/who-discov...
www.universetoday.com/guide-to-space/neptune/who-discovered-neptune/
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Astronomers - Astronomy glossary explains basic astronomical terms. ... William Lassell was an amateur English astronomer (a brewer by trade) who discovered Triton, the largest moon of Neptune (in 1846) and Ariel, the brightest moon of Uranus in 1851. With W.C. Bond, he discovered Saturn's moon Hyperion in 1848...
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www.allaboutspace.com/subjects/astronomy/glossary/Astro...
www.allaboutspace.com/subjects/astronomy/glossary/Astronomers.shtml
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Neptune - Wikipedia, the free encyclopedia
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Neptune is the eighth and outermost-known planet from the Sun in the Solar System. Named for the Roman god of the sea, it is the fourth-largest planet by diameter and the third-largest by mass. Neptu...
en.wikipedia.org/wiki/Neptune
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Galileo made a recording of an object in the same area of space where we know Neptune to reside, but he thought he was seeing a star. It would take another 200 years before it was discovered as a planet. John Couch Adams and Urbain Le Verri...
http://www.blurtit.com/q8922997.html
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2003 EL61 orbits the Sun on an elliptical path beyond Neptune in a region of space known as the Kuiper Belt. It is significantly inclined to the main plane of the solar system where most of ... Large New World Discovered Beyond Neptune ; By Robert Roy Britt; Senior Science Writer; posted: 29 July 2005; 11:08 am ET;
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www.space.com/scienceastronomy/050729_large_object.html
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