# Astronomy college course/Jupiter/questions
## AstroJupiter_Study

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### AstroJupiter_Study-v1s1

    ___ a) the shadow of a moon
    ___ b) Two other answers are correct (making this the only true answer).
    ___ c) a solar eclipse
    ___ d) an electric storm
    ___ e) a magnetic storm
2. Which of the following statements is FALSE?
    ___ a) Jupiter is the largest known planet
    ___ b) The Great Red Spot is a storm that has raged for over 300 years
    ___ c) Jupiter has four large moons and many smaller ones
    ___ d) Jupiter has a system of rings
    ___ e) Jupiter emits more energy than it receives from the Sun
3. What is the mechanism that heats the interior of Jupiter?
    ___ a) magnetism
    ___ b) electricity
    ___ c) tides
    ___ d) rain
    ___ e) radioactivity
4. Why is Jupiter an oblate spheroid?
    ___ a) tides from the Jupiter's moons
    ___ b) tides from other gas planets
    ___ c) rotation about axis
    ___ d) revolution around Sun
    ___ e) tides from the Sun
5. What statement best describes the Wikipedia's explanation of the helium (He) content of Jupiter's upper atmosphere (relative to the hydrogen (H) content)?
    ___ a) Jupiter's atmosphere has 80% more He because Jupiter's hydrogen fell to the core.
    ___ b) Jupiter's atmosphere has only 80% as much helium because the He fell to the core.
    ___ c) Jupiter's atmosphere has only 80% as much helium because the He escaped into space.
    ___ d) Jupiter's atmosphere has 80% more He because Jupiter's hydrogen escaped into space.
    ___ e) Jupiter and the Sun have nearly the same ratio of He to H.
6. Where is the Sun-Jupiter barycenter?
    ___ a) The question remains unresolved
    ___ b) At the center of Jupiter
    ___ c) Just above the Sun's surface
    ___ d) Just above Jupiter's surface
    ___ e) At the center of the Sun
7. The barycenter of two otherwise isolated celestial bodies is?
    ___ a) the focal point of two elliptical orbital paths
    ___ b) a place where two bodies exert equal and opposite gravitational forces
    ___ c) both of these are true
8. Knowing the barycenter of two stars is useful because it tells us the total mass
    ___ a) TRUE
    ___ b) FALSE
9. Knowing the barycenter of two stars is useful because it tells us the ratio of the two masses
    ___ a) TRUE
    ___ b) FALSE
10. Although there is some doubt as to who discovered Jupiter's great red spot, it is generally credited to
    ___ a) Cassini in 1665
    ___ b) Tycho in
    ___ c) Galileo in 1605
    ___ d) Newton in 1668
    ___ e) Messier in 1771
11. The bands in the atmosphere of Jupiter are associated with a patter of alternating wind velocities that are
    ___ a) easterly and westerly
    ___ b) updrafts and downdrafts
    ___ c) both of these
12. As one descends down to Jupiter's core, the temperature
    ___ a) increases
    ___ b) decreases
    ___ c) stays about the same

#### Key to AstroJupiter_Study-v1s1

    - a) the shadow of a moon
    + b) Two other answers are correct (making this the only true answer).
    - c) a solar eclipse
    - d) an electric storm
    - e) a magnetic storm
2. Which of the following statements is FALSE?
    + a) Jupiter is the largest known planet
    - b) The Great Red Spot is a storm that has raged for over 300 years
    - c) Jupiter has four large moons and many smaller ones
    - d) Jupiter has a system of rings
    - e) Jupiter emits more energy than it receives from the Sun
3. What is the mechanism that heats the interior of Jupiter?
    - a) magnetism
    - b) electricity
    - c) tides
    + d) rain
    - e) radioactivity
4. Why is Jupiter an oblate spheroid?
    - a) tides from the Jupiter's moons
    - b) tides from other gas planets
    + c) rotation about axis
    - d) revolution around Sun
    - e) tides from the Sun
5. What statement best describes the Wikipedia's explanation of the helium (He) content of Jupiter's upper atmosphere (relative to the hydrogen (H) content)?
    - a) Jupiter's atmosphere has 80% more He because Jupiter's hydrogen fell to the core.
    + b) Jupiter's atmosphere has only 80% as much helium because the He fell to the core.
    - c) Jupiter's atmosphere has only 80% as much helium because the He escaped into space.
    - d) Jupiter's atmosphere has 80% more He because Jupiter's hydrogen escaped into space.
    - e) Jupiter and the Sun have nearly the same ratio of He to H.
6. Where is the Sun-Jupiter barycenter?
    - a) The question remains unresolved
    - b) At the center of Jupiter
    + c) Just above the Sun's surface
    - d) Just above Jupiter's surface
    - e) At the center of the Sun
7. The barycenter of two otherwise isolated celestial bodies is?
    + a) the focal point of two elliptical orbital paths
    - b) a place where two bodies exert equal and opposite gravitational forces
    - c) both of these are true
8. Knowing the barycenter of two stars is useful because it tells us the total mass
    - a) TRUE
    + b) FALSE
9. Knowing the barycenter of two stars is useful because it tells us the ratio of the two masses
    + a) TRUE
    - b) FALSE
10. Although there is some doubt as to who discovered Jupiter's great red spot, it is generally credited to
    + a) Cassini in 1665
    - b) Tycho in
    - c) Galileo in 1605
    - d) Newton in 1668
    - e) Messier in 1771
11. The bands in the atmosphere of Jupiter are associated with a patter of alternating wind velocities that are
    - a) easterly and westerly
    - b) updrafts and downdrafts
    + c) both of these
12. As one descends down to Jupiter's core, the temperature
    + a) increases
    - b) decreases
    - c) stays about the same

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   ##### Study guide

    http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Jupiter&oldid=1204919 http://en.wikipedia.org/w/index.php?title=Jupiter&oldid=664015766 http://en.wikipedia.org/w/index.php?title=Atmosphere_of_Jupiter&oldid=664309417