Env Sci/Physics 141: The Gas Giants

Steven Dutch, Natural and Applied Sciences, University of Wisconsin - Green Bay
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  1.  This moon of Jupiter is the largest satellite in the Solar System:
    1. Io
    2. Europa
    3. Ganymede
    4. Callisto
  2. This chemical element is believed to power the volcanoes on one of Jupiter’s moons and also account for its strange surface colors:
    1. iron
    2. copper
    3. hydrogen
    4. sulfur
  3. Jupiter is about ___ times as large in diameter as the Earth, but the Sun is as many times bigger than Jupiter:
    1. two
    2. ten
    3. 50
    4. 100
  4. How do Uranus and Neptune compare to Earth in diameter?
    1. about the same
    2. twice as big
    3. four times as big
    4. eight times as big
  5. Which object has not yet been visited by a spacecraft?
    1. Uranus
    2. Neptune
    3. Pluto
    4. Saturn
  6. Planetary Rings must be:
    1. Circular and in the planet's equatorial plane
    2. No particular shape or orientation
    3. At least halfway to the nearest satellite
    4. Less than halfway to the nearest satellite
    5. Circular but any orientation
  7. The sharp edges of rings are maintained by
    1. Collisions between ring particles
    2. Erosion by solar particles
    3. Centrifugal force
    4. Shepherd moons
  8. Not a moon of Jupiter
    1. Callisto
    2. Europa
    3. Ganymede
    4. Enceladus
    5. Io
  9. Which of the following is NOT true about Jupiter?
    1. more massive than all the other planets combined
    2. has huge rotating storms
    3. has a dense atmosphere
    4. has a bright, wide ring system
    5. all of the above are true
  10. Which is largest?
    1. Callisto
    2. Europa
    3. Ganymede
    4. Enceladus
    5. Io
  11. Which has large slabs of crust that have moved laterally and can be reassembled like a jigsaw puzzle?
    1. Callisto
    2. Europa
    3. Ganymede
    4. Enceladus
    5. Io
  12. Believed to have a thin icy crust with a liquid interior
    1. Callisto
    2. Europa
    3. Ganymede
    4. Iapetus
    5. Io
  13. Undergoes strong tidal heating
    1. Callisto
    2. Europa
    3. Ganymede
    4. Enceladus
    5. Io
  14. The vivid surface colors on Io are likely due to:
    1. Sulfur
    2. Iron Oxide
    3. Organic Materials
    4. Reflected light from Jupiter
    5. Nitric acid
  15. The moons of Jupiter are named after:
    1. Other Olympian gods and goddesses
    2. Figures from the Trojan War
    3. Jupiter's mythological lovers
    4. Evil giants defeated by Jupiter as he rose to power
    5. Famous places in Greece
  16. Which is not true of Uranus and Neptune?
    1. Nearly twins in size
    2. About four times Earth's diameter
    3. Bluish atmospheres
    4. Neither has rings
    5. Both have rings
  17. The dark coating on many objects in the outer solar system is believed to be:
    1. Rock Dust
    2. Carbon
    3. Iron oxide
    4. Frozen nitrogen
  18. Saturn's weird two-tone moon, bright on one side and dark on the other:
    1. Enceladus
    2. Titan
    3. Hyperion
    4. Dione
    5. Iapetus
  19. Neptune's big moon:
    1. Miranda
    2. Rhea
    3. Triton
    4. Amalthea
    5. Oberon
  20. Besides the Moon, the only body where the term "mare" is used:
    1. Venus
    2. Mercury
    3. Europa
    4. Callisto
    5. Titan
  21. Neptune's big moon has
    1. A retrograde orbit
    2. A thin nitrogen atmosphere
    3. Frozen nitrogen on its surface
    4. All the above
  22. The most distant object touched by a human artifact:
    1. Venus
    2. Mars
    3. Titan
    4. Neptune
    5. Pluto
  23. Saturn's small moon with an icy crust, believed to have liquid water in its interior:
    1. Enceladus
    2. Titan
    3. Hyperion
    4. Dione
    5. Iapetus
  24. Titan's brown haze is similar in chemistry (but very different in origin) to:
    1. Smoke from forest fires
    2. Volcanic emissions
    3. Smog
    4. Windblown dust
    5. Biologically produced methane
  25. Titan's atmosphere is opaque to visible light but has been imaged in
    1. Infrared
    2. ultraviolet
    3. radio waves
    4. X-rays
    5. gamma rays
  26. The liquid bodies on Titan are most likely
    1. water
    2. light hydrocarbons
    3. liquid nitrogen
    4. lava
    5. liquid hydrogen

For the following, pick the attributes that match. More than one answer may be correct.

  1. Io
    1. Thin icy crust, possible subsurface ocean
    2. Dark, cratered, with a huge impact basin
    3. Not a moon of Jupiter
    4. Volcanoes and a sulfur covered surface
    5. Thick brownish atmosphere
    6. Largest moon in the solar system
    7. Not discovered by Galileo
  2. Europa
    1. Thin icy crust, possible subsurface ocean
    2. Dark, cratered, with a huge impact basin
    3. Not a moon of Jupiter
    4. Volcanoes and a sulfur covered surface
    5. Thick brownish atmosphere
    6. Largest moon in the solar system
    7. Not discovered by Galileo
  3. Ganymede
    1. Thin icy crust, possible subsurface ocean
    2. Dark, cratered, with a huge impact basin
    3. Not a moon of Jupiter
    4. Volcanoes and a sulfur covered surface
    5. Thick brownish atmosphere
    6. Largest moon in the solar system
    7. Not discovered by Galileo
  4. Callisto
    1. Thin icy crust, possible subsurface ocean
    2. Dark, cratered, with a huge impact basin
    3. Not a moon of Jupiter
    4. Volcanoes and a sulfur covered surface
    5. Thick brownish atmosphere
    6. Largest moon in the solar system
    7. Not discovered by Galileo
  5. Titan
    1. Thin icy crust, possible subsurface ocean
    2. Dark, cratered, with a huge impact basin
    3. Not a moon of Jupiter
    4. Volcanoes and a sulfur covered surface
    5. Thick brownish atmosphere
    6. Largest moon in the solar system
    7. Not discovered by Galileo

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