Neptune This is an image of Neptune

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NeptuneThis is an image of Neptunes surface.

• By Brooke
• help from
• Joshua

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History

• Galle and d Arrest first observed Neptune
  which was on September 23, 1846. But two
  centuries earlier Galileo discovered it.
• The weather in Neptune is very chilly and
  cold. Its -218 degrees-Celsius!

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Solar System

• Neptune is the eighth planet from the sun.
• The orbital period for one trip around the sun
  is 165 years.
• Neptunes rotation period is about 16.11 hours.

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Moons

• In late 2013 Neptune has discovered 14 moons so
  far. But that is not the end of Neptunes moons
  discoveries.
• The names of Neptunes moons are Triton,
  Nereid, Naiad, Larissa. Thalassa, Neso, Sao,
  Galatea and Halimede ,Despina, Laomedeia. Proteus
  and last but not least Psamathe.

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Neptunes Appearance

• Neptunes appearance is very entertaining with
  all the detail. Its color is a mix of blue and
  green. It has a faint ring system that goes
  around the whole thing, its like a perimeter
  going around a shape. Neptune has a dark spot
  which is very similar to Jupiters red spot.

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Rings

• Neptunes has a very large ring system. There
  are only about nine clearly seen rings. Neptune
  is one of the four planets in our Solar System
  that has planetary rings.

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Exploration

• Neptune has 13 known satellites, they are named
  for aquatic personages in Greek and Roman
  mythology. For instance these six moons Despina,
  Galatea, Larissa, Thalassa, Naiad and Proteus.
  Were found by Space Craft two!

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Interesting Facts

• Did you know that Neptune is the
  fourth-largest by diameter and third- largest in
  mass.
• Neptune is the most dense planet in the solar
  system.