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p.134

Jovian Planets Jupiter Saturn Uranus Neptune. p.134. Jupiter as seen by Cassini in 2001. Fig. 7-1, p.135. Composition of Jupiter, other Jovian planets are similar. Fig. 7-2, p.136. Jupiter. Fig. 7-3a, p.136. Fig 7-4a, p.137. Jupiter & four Galilean moons. Fig 7-9, p.141. Io.

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p.134

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  1. Jovian Planets Jupiter Saturn Uranus Neptune p.134

  2. Jupiter as seen by Cassini in 2001 Fig. 7-1, p.135

  3. Composition of Jupiter, other Jovian planets are similar Fig. 7-2, p.136

  4. Jupiter Fig. 7-3a, p.136

  5. Fig 7-4a, p.137

  6. Jupiter & four Galilean moons Fig 7-9, p.141

  7. Io

  8. Europa, covered with ice Fig 7-12, p.142

  9. Ganymede Fig 7-13, p.142

  10. Fig 7-16, p.145

  11. Fig 7-17, p.145

  12. Saturn, from the Hubble Space Telescope, in a series of views over a five-year period Fig 7-18, p.146

  13. Saturn, Voyager 1 Titan Fig 7-19, p.146

  14. Spokes Fig 7-20, p.146

  15. Titan -- Voyager 1 moon of Saturn has atmosphere Fig 7-24a, p.148

  16. Mimas

  17. Uranus Voyager 2 1986

  18. Uranus’s axis of rotation lies roughly in the plane of its orbit Fig 7-27, p.150

  19. Uranus Fig 7-28, p.151

  20. Miranda Fig 7-29, p.151

  21. Neptune Voyager 2 Fig 7-36, p.154

  22. Triton, moon of Neptune Fig 7-43, p.157

  23. Triton Voyager 2

  24. Planets: GENERAL: age from meteors -- 4.6 x 109 years. All planets revolve around the Sun in same direction as Sun rotates. Eccentricity: almost circular except Mercury (0.2) & Pluto (0.25) Plane of revolution about the same. Most planets rotate in same direction as revolution, EXCEPT Venus (hardly rotates) and Uranus (axis tilted about 90°) Volcanoes: Earth, Io and Triton TERRESTRIAL planets: Mercury, Venus, Earth and Mars. JOVIAN(GIANT) planets: Jupiter, Saturn, Uranus and Neptune. PLUTO is very similar to other large satellites. Summary - 1

  25. TERRESTRIAL JOVIAN Size Small Large Mass Small Large Density High (3.9 to 5.5 g/cm³) Low (0.7 to 1.7 g/cm³) Hard surface Yes No Chemical elements More heavier elements Similar to Sun Atmosphere Some (no H & He) Mostly H & He. Rings No Yes Oblateness < 0.005 0.02 to 0.11 Rotation Slow > 23.9 hours Fast 10 - 17 hours Magnetic field Weak Relatively stronger Moons Few Many Large moons Earth (1) Moon Jupiter (4); Saturn (1) Titan (Radius over 1000 km) Neptune (1) Triton Medium satellites Saturn (7); Uranus (5); Neptune (2) (150 to 1000 km) Pluto (1) Most large moons: rotation = revolution period. Density of moons lower than terrestrial planets Revolution of Large and Medium Satellites: Direct EXCEPT Triton Atmosphere on Satellites: Titan, Triton and Charon. Summary - 2

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