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Outline of Neptune

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The following outline is provided as an overview of and topical guide to Neptune:

Neptune – eighth and farthest known planet from the Sun in the Solar System. In the Solar System, it is the fourth-largest planet by diameter, the third-most-massive planet, and the densest giant planet. Neptune is 17 times the mass of Earth and is slightly more massive than its near-twin Uranus, which is 15 times the mass of Earth and slightly larger than Neptune.[a] Neptune orbits the Sun once every 164.8 years at an average distance of 30.1 astronomical units (4.50×109 km). It is named after the Roman god of the sea and has the astronomical symbol ♆, a stylised version of the god Neptune's trident.

Classification of Neptune

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Location of Neptune

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Movement of Neptune

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Features of Neptune

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Natural satellites of Neptune

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Inner moons of Neptune

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Retrograde moons of Neptune

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Prograde moons of Neptune

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History of Neptune

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History of Neptune

Exploration of Neptune

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Exploration of Neptune

Flyby missions to explore Neptune

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Future of Neptune exploration

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Proposed missions to explore Neptune

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See also

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Notes

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  1. ^ Neptune is denser and physically smaller than Uranus because Neptune's greater mass gravitationally compresses the atmosphere more.

References

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  • NASA's Neptune fact sheet
  • Neptune from Bill Arnett's nineplanets.org
  • Neptune Astronomy Cast episode No. 63, includes full transcript.
  • Neptune Profile at NASA's Solar System Exploration site
  • Planets – Neptune A children's guide to Neptune.
  • Merrifield, Michael; Bauer, Amanda (2010). "Neptune". Sixty Symbols. Brady Haran for the University of Nottingham.
  • Neptune by amateur (The Planetary Society)