# Astronomy college course/Jupiter/questions

## AstroJupiter_Study

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### AstroJupiter_Study-v1s1

1.

The black spot in this image of Jupiter is
___ 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

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

1.

The black spot in this image of Jupiter is
- 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

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

Attribution (for quiz questions) under CC-by-SA license
http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Jupiter/questions&oldid=1388646
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