Astronomy college course/Apparent regrograde motion/Quiz01

AstroApparentRetroMotion_Study
WHY THIS PAGE IS PROTECTED - /Original version of this quiz/

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AstroApparentRetroMotion_Study-v1s1
/1/. ____ motion is in the usual direction, and _______ is motion that has temporarily reversed itself.
 * ___ a) indirect; direct


 * ___ b) elliptical; retrograde


 * ___ c) retrograde; direct


 * ___ d) direct; retrograde


 * ___ e) direct; elliptical

/2/. Under what conditions would a planet not seem to rise in the east and set in the west?
 * ___ a) if the planet is in retrograde motion


 * ___ b) if the observer is near the north or south poles


 * ___ c) if the observer is below the equator


 * ___ d) if the planet is in elliptical motion


 * ___ e) if the planet is in direct motion

/3/. When the faster moving Earth overtakes a slower planet outside Earth's orbit
 * ___ a) tidal forces can be observed on the planet


 * ___ b) all of these are true


 * ___ c) two of these are true


 * ___ d) tidal forces can be observed on Earth


 * ___ e) retrograde motion occurs

/4/. Which planet spends more days in a given retrograde?
 * ___ a) They are all equal


 * ___ b) Mars


 * ___ c) It depends on the season


 * ___ d) Earth


 * ___ e) Saturn

/5/. Which planet has more days between two consecutive retrogrades?
 * ___ a) Saturn


 * ___ b) They are all equal


 * ___ c) Mars


 * ___ d) Earth


 * ___ e) It depends on the season

/6/. A planet that is very, very far from the Sun would be in retrograde for approximately ___ months.
 * ___ a) 24


 * ___ b) 6


 * ___ c) 1


 * ___ d) 12


 * ___ e) 3

/7/. If a planet that is very, very far from the Sun begins a retrograde, how many months must pass before it begins the next retrograde?
 * ___ a) 12


 * ___ b) 24


 * ___ c) 6


 * ___ d) 3


 * ___ e) 1

/8/. Planet comes from the Greek word for 'wanderer'.
 * ___ a) true


 * ___ b) false

/9/. We know that Galileo saw Neptune, but is not credited with its discovery because
 * ___ a) he thought it was a moon of Saturn


 * ___ b) it was in a transition between retrograde and direct motion


 * ___ c) none of these are true


 * ___ d) he never published his drawing


 * ___ e) it was too faint to be worth drawing

Key to AstroApparentRetroMotion_Study-v1s1
/1/. ____ motion is in the usual direction, and _______ is motion that has temporarily reversed itself.
 * - a) indirect; direct


 * - b) elliptical; retrograde


 * - c) retrograde; direct


 * + d) direct; retrograde


 * - e) direct; elliptical

/2/. Under what conditions would a planet not seem to rise in the east and set in the west?
 * - a) if the planet is in retrograde motion


 * + b) if the observer is near the north or south poles


 * - c) if the observer is below the equator


 * - d) if the planet is in elliptical motion


 * - e) if the planet is in direct motion

/3/. When the faster moving Earth overtakes a slower planet outside Earth's orbit
 * - a) tidal forces can be observed on the planet


 * - b) all of these are true


 * - c) two of these are true


 * - d) tidal forces can be observed on Earth


 * + e) retrograde motion occurs

/4/. Which planet spends more days in a given retrograde?
 * - a) They are all equal


 * - b) Mars


 * - c) It depends on the season


 * - d) Earth


 * + e) Saturn

/5/. Which planet has more days between two consecutive retrogrades?
 * - a) Saturn


 * - b) They are all equal


 * + c) Mars


 * - d) Earth


 * - e) It depends on the season

/6/. A planet that is very, very far from the Sun would be in retrograde for approximately ___ months.
 * - a) 24


 * + b) 6


 * - c) 1


 * - d) 12


 * - e) 3

/7/. If a planet that is very, very far from the Sun begins a retrograde, how many months must pass before it begins the next retrograde?
 * + a) 12


 * - b) 24


 * - c) 6


 * - d) 3


 * - e) 1

/8/. Planet comes from the Greek word for 'wanderer'.
 * + a) true


 * - b) false

/9/. We know that Galileo saw Neptune, but is not credited with its discovery because
 * - a) he thought it was a moon of Saturn


 * + b) it was in a transition between retrograde and direct motion


 * - c) none of these are true


 * - d) he never published his drawing


 * - e) it was too faint to be worth drawing


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 * http://en.wikiversity.org/w/index.php?title=Astronomy_college_course/Apparent_regrograde_motion/Quiz01&oldid=1284510
 * Study guide
 * http://en.wikipedia.org/w/index.php?title=User:Guy_vandegrift/Astronomy_college_course/Apparent_retrograde_motion&oldid=615635101