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Work done by
Nuno 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 Galle and d’Arrest in 1846.
 Then, many people given the discovery to Galle.
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.
Internal Structure
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.
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
 Jupiter's Great Red Spot.
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 planet's 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.
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 are:
Naiad;
Thalassa;
Despina;
Galatea;
Larissa;
Proteus;
Triton, the biggest one.
Moons of Neptune
N              T
a              r
i              i
a              t
d              o
               n


    T
    h          P
    a          r
    l          o
    a          t
    s          e
    s          u
    a          s

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Neptune

  • 1. Work done by Nuno Félix Paiva Alves, nº27, 7ºA
  • 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. 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.
  • 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. 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 Jupiter's Great Red Spot.
  • 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 planet's 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. Space Missions Voyager 2
  • 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. Moons of Neptune N T a r i i a t d o n T h P a r l o a t s e s u a s