Astronomy Quiz 3

  1. Where does Jupiter's extra energy come from?
    • Radioactive elements in its core
    • From an overall concentration amounting to less than 10cm per year
  2. How is Pluto measured?
    By the blurring of the Earth's atmosphere
  3. What 3 factors affect brightness?
    • Distance from sun
    • Albedo
    • Size
  4. What does Uranus and Neptine's interior look like?
    Ionized slush
  5. What is differential rotation?
    Where the speeds and direction of the clouds vary with latitude
  6. How did we discover Jupiter's interior?
    • Density
    • Composition
  7. Why is Neptune blue?
    Methane absorbs red light allowing only blue light to reach us
  8. Jupiter and Saturn are almost entirely what compounds?
    • Hydrogen
    • Helium
  9. Why is Saturn less dense?
    It's smaller and less compressed by it's own gravity
  10. What year was Uranus discovered?
  11. What year was Neptune discovered and how?
    • 1846
    • From the gravational pull of Uranus
  12. What compunds do Uranus and Neptune contain?
    • Methane
    • Ammonia
    • Water
  13. What characteristic do all Jovian planets share?
    Small solid cores of denser material at their centers
  14. Circular electric charges produce these in the interiors of planets..
    Magnetic fields
  15. What are Jupiter's 4 moons?
    • Io
    • Europa
    • Ganymede
    • Callisto
  16. What are Saturn's 2 moons?
    • Titan
    • Miranda
  17. What is Uranus' moon?
  18. Ganymede and Callisto are less dense because of what?
    • They incorporate more ice
    • There surfaces are older and cratered
  19. What photographed the surface of Titan?
    The Hyugen's Probe
  20. The patchworksurface on Miranda reveals what?
    Tectonic activity
  21. How does Triton orbit Neptune?
    In retrograde
  22. What is ice geology?
    • Volcanoes and tectonics driven by water, not lava
    • Neptune's tidal flexure of Triton
  23. Describe the rings of :
    • Jupiter - diffuse and dusty
    • Saturn - rich
    • Uranus - thin dark bands
    • Neptune - incomplete arcs
  24. What causes ring structure?
    By shephard moonlets embedded in the rings and orbital resonances with larger moons outside the rings
  25. Tidal forces keep pulling particles apart where?
    The Roche Limit
  26. Which of Jupiter's moons contains frozen icebergs?
  27. How flattened a planet is by it's centrifical force is...
  28. What element can you find on Io?
  29. How fast does Jupiter rotate?
    Every 10 hours
  30. Which element consumes 90% of Titan's atmosphere?
  31. How was the Great Red Spot formed?
    By heat welling upward from the inside of Jupiter
  32. Name the most abundant elements from greatest to least.
    • Hydrogen
    • Helium
    • Lithium
    • Beryllium
    • Boron
    • carbon
    • Nitrogen
    • Oxygen
  33. The internal heating on Jupiter is due to ________?
    Resonant tidal fixture
  34. The measure of how flat the outer solar system is....
  35. What are early theories of the Lunar Origin?
    • The moon and Earth were born together
    • The moon was the Earth's daughter
    • They were born separate but encountered each other
  36. Jupiter's dark reddish bands are _______and it's light-colored bands are _______.
    • Belts
    • Zones
  37. What are 2 heat sources for the outer terrestial planets?
    • The sun
    • Heat trapped in their interiors
Card Set
Astronomy Quiz 3
Astronomy Quiz 3