Neptune

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File:Neptune.PNG Neptune

Neptune at glance

• Distance: 2,788,000,000 miles
• Diameter: 30,599 miles
• Length of year: 84 years
• Rotation: 18 hours
• Temperature: -364°F to -353°F
• Atmosphere: Hydrogen (H₂), helium (He), ethane (C₂H₆), methane (CH₄), oxygen (O₂), water vapour (_{climate variable}).
• Number of satellites: 14

Name

• Neptune

Discovery date

• September 23, 1846

Discoverers

• Urbain Le Verrier
• John Couch Adams
• Johann Galle

Orbiting

• The Sun

Orbiters

• Triton
• 12 other small moons
• Icy ring moonlets

Characteristics

• Mass = 17.147 Earth mass
• Radius = 3.883 Earth radius
• Density = 1.76 g/cm³
• Semi-major axis = 30.069 AU
• Eccentricity = 0.00859
• Orbital period = 60,190 Earth days
• Rotation period = 16.11 hours
• Atmosphere = 80% hydrogene, 19% helium, 1.5% Methane
• Effective temperature = 59 K

About the planet

• Eighth and last planet from the Sun.
• Fourth largest planet in our Solar System.
• Third most massive planet in our Solar System.
• Gas planet
• The Great Dark Spot; which left the atmosphere a few years back.
• Has rings
• It is named after the Roman God of the seas Neptune because of its ocean like appearance.
• ice giants
• wind blows 10 miles a hour bigger than any hurricane on earth

The eight planets

• Mercury
• Venus
• Earth
• Mars
• Jupiter
• Saturn
• Uranus
• Neptune

Sources

• wikipedia.org
• NASA.gov
• solarsystem.nasa.gov

Voice Actors

• Caden Berrocal (UK/US; eighteenth season onwards)
• Bernardo Monroy (UK; seventeenth season only)
• Martin Garcia (UK; fifteenth - seventeenth season)
• Laszlo Tan Rosen (US; fifteenth - seventeenth season)

References

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