Work done byNuno Félix Paiva Alves, nº27, 7ºA
Img.1-Neptune
Discovery Neptune was discovered by Galileo Galilei, but he  thought that Neptune was a star. Neptune was localized by G...
Naming First, a few years after Galileo founded Neptune, this  one was called “the planet exterior to Uranus”. After tha...
Internal Structure
Internal structure The internal structure of Neptune not differ greatly from that of Uranus. Neptune have a solid core ma...
Atmosphere The atmosphere of Neptune is buffeted by strong winds that are known and could reach 2000 km / h. Like the oth...
Space Missions Neptune was visited only once and it was by  NASA’s spacecraft Voyager 2, on August 25, 1989. The spacecr...
Space Missions      Voyager 2
Moons of Neptune Neptune has 13 moons around him. The names of the  firsts 7 names of the Neptune’s naturals satellites a...
Moons of NeptuneN              Ta              ri              ia              td              o               n    T    h...
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Neptune

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Neptune

  1. 1. Work done byNuno Félix Paiva Alves, nº27, 7ºA
  2. 2. Img.1-Neptune
  3. 3. Discovery Neptune was discovered by Galileo Galilei, but he thought that Neptune was a star. Neptune was localized by Galle and d’Arrest in 1846. Then, many people given the discovery to Galle.
  4. 4. Naming First, a few years after Galileo founded Neptune, this one was called “the planet exterior to Uranus”. After that, Galle and Challis suggested the names of Janus and Oceanus, respectively. Then Friedrich von Struve suggested the actual name in honour of the roman god of the sea, in 1846.
  5. 5. Internal Structure
  6. 6. Internal structure The internal structure of Neptune not differ greatly from that of Uranus. Neptune have a solid core mass similar to that of the earth, comprising a mixture of ice and various silicates, surrounded by a layer rich in methane and ammonia water to which overlaps an atmosphere comprising hydrogen, helium and methane.
  7. 7. Atmosphere The atmosphere of Neptune is buffeted by strong winds that are known and could reach 2000 km / h. Like the other gas giants, the winds are usually confined to well-defined bands between latitudes. They also are huge storms (vortices) located, similar to Jupiters Great Red Spot.
  8. 8. Space Missions Neptune was visited only once and it was by NASA’s spacecraft Voyager 2, on August 25, 1989. The spacecraft verified the existence of a magnetic field surrounding the planet and discovered that the field was offset from the centre and tilted in a manner similar to the field around Uranus. The question of the planets rotation period was settled using measurements of radio emissions. Voyager 2 also showed that Neptune had a surprisingly active weather system. Six new moons were discovered, and the planet was shown to have more than one ring.
  9. 9. Space Missions Voyager 2
  10. 10. Moons of Neptune Neptune has 13 moons around him. The names of the firsts 7 names of the Neptune’s naturals satellites are:Naiad;Thalassa;Despina;Galatea;Larissa;Proteus;Triton, the biggest one.
  11. 11. Moons of NeptuneN Ta ri ia td o n T h P a r l o a t s e s u a s

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