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The Outer Planets

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Small and thin ring system. Dozens of moons. Four large ones: Io, ... Thin ring system. 27 moons named for characters in Shakespeare and Pope. Visited by: ... – PowerPoint PPT presentation

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Title: The Outer Planets


1
The Outer Planets
  • Presentation for The Planets (51.106)

2
Jupiter
3
Jupiter
  • Properties
  • Rotation period 10 hours
  • Year of 12 years
  • Diameter 143,000 km (11 Earths)
  • Composed mainly of H and He
  • Atmospheric colors are due to trace gases in
    clouds (ammonia, hydrogen sulfide, etc.)
  • Has a rocky core 10-15 Earths in size
  • Many storms, most noticeably the Great Red Spot
  • Has a large, powerful magnetic field
  • Small and thin ring system
  • Dozens of moons. Four large ones Io, Europa,
    Ganymede, Callisto
  • Visited by
  • Pioneer 10 and 11
  • Voyager 1 and 2
  • Galileo (1990s)

4
Great Red Spot
5
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6
Thin Rings
7
Shoemaker-Levy 9 Impact
8
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9
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10
Saturn
  • Properties
  • Rotation period 11 hours
  • Year of 29 years
  • Diameter 120,000 km (9 Earths)
  • Composed mainly of H and He
  • Atmospheric colors are due to trace gases in
    clouds (ammonia, hydrogen sulfide, etc.)
  • Has a rocky core 10 Earths in size
  • Smaller scale storms compared with Jupiter
  • Has a powerful magnetic field
  • Spectacular ring system
  • Dozens of moons (other than rings). One large one
    Titan.
  • Visited by
  • Pioneer 11
  • Voyager 1 and 2
  • Cassini (2004-)

11
Shepherd Moons
12
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15
Uranus
16
Uranus
  • Properties
  • Rotation period 17 hours (retrograde)
  • Year of 84 years
  • Diameter 52,000 km (4 Earths)
  • Discovered in 1781 by W. Herschel
  • Composed mainly of H and He
  • Atmospheric color due increase in methane gas
    (green tint)
  • Has a rocky core 1 Earth in diameter
  • Has a magnetic field
  • Tilted on its side
  • Thin ring system
  • 27 moons named for characters in Shakespeare and
    Pope
  • Visited by
  • Voyager 2 (1986)

17
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18
Neptune
19
Neptune
  • Properties
  • Rotation period 16 hours
  • Year of 164 years
  • Diameter 50,000 km (4 Earths)
  • Discovered in 1846 by Adams and Leverrier
  • Composed mainly of H and He
  • Atmospheric color due increase in methane gas
    (blue tint)
  • Has a rocky core 1 Earth in diameter
  • Has a magnetic field
  • Thin ring system
  • 13 moons named for sea nymphs largest moon
    Triton
  • Visited by
  • Voyager 2 (1989)

20
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