Astronomy college course/Apparent regrograde motion/Quiz01/Original version of this quiz

{ ____ motion is in the usual direction, and _______ is motion that has temporarily reversed itself. } - direct; elliptical - elliptical; retrograde + direct; retrograde - indirect; direct - retrograde; direct { Under what conditions would a planet not seem to rise in the east and set in the west? } - if the planet is in retrograde motion + if the observer is near the north or south poles - if the planet is in direct motion - if the planet is in elliptical motion - if the observer is below the equator { When the faster moving Earth overtakes a slower planet outside Earth's orbit} + retrograde motion occurs - two of these are true - all of these are true - tidal forces can be observed on Earth - tidal forces can be observed on the planet { Which planet spends more days in a given retrograde? } + Saturn - It depends on the season - They are all equal - Earth - Mars { Which planet has more days between two consecutive retrogrades? } - Earth + Mars - It depends on the season - They are all equal - Saturn { A planet that is very, very far from the Sun would be in retrograde for approximately ___ months.} - 1 + 6 - 24 - 12 - 3 { 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? } + 12 - 1 - 24 - 6 - 3 { Planet comes from the Greek word for 'wanderer'. } + true - false { We know that Galileo saw Neptune, but is not credited with its discovery because} - he never published his drawing - none of these are true - he thought it was a moon of Saturn + it was in a transition between retrograde and direct motion - it was too faint to be worth drawing