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{{Planet
{{Planet|image=Banana.jpg
|caption=Photo of Neptune taken by Voyager 2 in 1989
| image=Banana.jpg
|symbol=Neptune symbol.svg
| caption=Photo of Neptune taken by Voyager 2 in 1989
|date=1846
| symbol=Neptune symbol.svg
|discname=Johann Gotfried Galle
| order=8
|origname=Roman god of the sea
| diameter=
|order=9
| radius=24,746 km<ref>http://www.solarviews.com/eng/neptune.htm</ref>
|primary=Sun
| mass=1.024x10<sup>26</sup> kg
|periapsis=29.810 AU
|apoapsis=30.327 AU
|semimajor=30.069 AU
| year=164.79
|bode=38.8 AU
| moons=13
|circumference=188.925 AU
| composition=Rock and ice
|eccentricity=0.009
| color=Blue
|sidereal=164.88 a
| albedo=0.41
|synodic=367.49 da (1.006 a)
|orbitspeed=5.432 km/s
|inclination=1.769°
|reference=the ecliptic
|siderealday=16.11 h (0.671 da)
|axialtilt=28.32°
|mass=1.0243 * 10<sup>26</sup> kg (17.14 * earth)
|density=1,638 kg/m³
|surfacegrav=11.0 m/s² (1.122 ''g'')
|escapespeed=23.50 km/s
|equatorradius =24,552.5 km<ref>http://www.solarviews.com/eng/neptune.htm</ref>
|surfacearea=7,619,000,000 km² (14.937 * earth)
|meantemp=53 K
|moons=13
|composition=Rock and ice
|color=Blue
|albedo=0.41
}}
}}
'''Neptune''' is the eighth [[planet]] in the [[Solar System]] and the ninth body large enough for its own gravity to shape it into a spheroid. It is named after the ancient [[Roman]] [[god]] of the [[sea]]. It was discovered in 1846 on the basis of calculations made by [[Urbain Le Verrier]] and is the first and only exception to the [[Titius-Bode law]] of planetary distances from the sun. Neptune, like the other [[gas giants]], [[Jupiter]], [[Saturn]], and [[Uranus]], has rings made of [[ice]] and [[rock]]. Neptune is bluish in color and has 13 known [[moon]]s, the largest of which are, in order, [[Triton]], [[Proteus (moon) | Proteus]], and [[Nereid]]. <ref>http://www.enchantedlearning.com/subjects/astronomy/planets/neptune/neptunemoons.shtml</ref>
'''Neptune''' is the eighth [[planet]] in the [[Solar System]]. It is named after the ancient [[Roman]] [[god]] of the [[sea]]. It was discovered in 1846 on the basis of calculations made by [[Urbain Le Verrier]]. Neptune, like the other [[gas giants]], [[Jupiter]], [[Saturn]], and [[Uranus]], has rings made of [[ice]] and [[rock]]. Neptune is bluish in color and has 13 known [[moon]]s, the largest of which are, in order, [[Triton]], [[Proteus (moon) | Proteus]], and [[Nereid]]. <ref>http://www.enchantedlearning.com/subjects/astronomy/planets/neptune/neptunemoons.shtml</ref>
Neptune was visited by the Voyager 2 spacecraft in August 1989.
Neptune was visited by the Voyager 2 spacecraft in August 1989.
{{Solarsystem}}
{{Solarsystem}}