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http://www.space.com/18921-neptune-temperature.html

http://coolcosmos.ipac.caltech.edu/ask/146--When-was-Neptune-discovered-

https://www.google.com/webhp?sourceid=chrome-instant&ion=1&espv=2&ie=UTF-8#q=names%20of%20neptunes%20moons

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Is there water on Neptune since it is blue?

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Is there water on Neptune since it is blue?

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Neptune’s atmosphere is composed predominantly of hydrogen and helium, with traces of methane to create the bluish color. But there is also large amounts of water as well. It is mixed in with the helium and hydrogen. It was also named after the Roman god Neptune, who was the god of fresh water and the sea.

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What are the distinctive names (what do they mean) of the moon’s?

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What are the distinctive names (what do they mean) of the moon’s?

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Despite the Roman named planet, the moons of Neptune have Greek names. Despina is one of the many moons that orbits Neptune.  It was named after Despoina who was the daughter of Greek Gods Demeter and Poseidon.  Larissa was the name of a lover of Poseidon.  And Thalassa was named after the Greek goddess of the sea.  Another moon was Galatea, she was one of the Nereids of Greek legend.

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How can Neptune’s surface be so cold (-353*F) while the inside is hotter than the sun (9,939*F)?

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How can Neptune’s surface be so cold (-353*F) while the inside is hotter than the sun (9,939*F)?

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The gas in the atmosphere goes down to the ocean that makes up the planet, and the amount of pressure at the “surface” is the same amount of pressure at Earth’s sea level.  The temperature of the “surface” is about -353*F.  The planet is tilted more than Earth, allowing the sun’s rays to heat the poles up to 50*F warmer, letting some of the methane to leak out into space.

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Who, when, and how was Neptune discovered?

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Who, when, and how was Neptune discovered?

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Neptune was discovered on September 23, 1846.  It was discovered by Johann Gottfried Galle, Urbain Le Verrier, and John Couch Adams.  According to http://coolcosmos.ipac.caltech.edu/ask/146--When-was-Neptune-discovered-, “Neptune was the first planet to be discovered by using mathematics.”  When studying Uranus, astronomers noticed that Uranus was slightly out of its orbit.  They figured out that there was another planet beyond Uranus affecting its orbit.  They observed Neptune for the first time in 1846.