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Astronomy Review: Solar System, Eccentricity and Seasons Flashcards | StudBud
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Astronomy Review: Solar System, Eccentricity and Seasons
Astronomy Review: Solar System, Eccentricity and Seasons
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Earth Science
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Questions
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Answers
1
These shadows were cast at 4 different times. Which time was intensity of insolation highest?
C
A
B
D
2
At which date would an observer cast the longest shadow?
June 21st
September 21st
March 21st
December 21st
3
The orbital path of these planets around Star A can best be described as having
the same rotation
a circular shape, with Star A at one focus
an elliptical shape, with Star A at one focus point
major axes of the same length
4
Which statement about the period of revolution of the planets is correct?
Planet X has a longer period of revolution than Planet Y
Planet Y has a longer period of revolution than Planet Z
The planets have equal periods of revolution
Planet Z has a longer period of revolution than Planet X
5
At which position does planet X have the greatest orbital velocity?
3
4
1
2
6
As you decrease the distance between two foci points, the eccentricity
decreases
increases
remains the same
7
Which observation about the Sun's path on June 21st is best supported by the diagram?
The sun's total daytime path is shortest on this date.
Sunset occurs south of west.
Sunrise occurs north of east.
The sun moves at a rate of 10o per hour.
8
In addition to Earth, which planets are represented by the diagram?
Jupiter and Mars
Uranus and Neptune
Saturn and Pluto
Mercury and Venus
9
Where would a planet have the greatest gravitational attraction to star A?
5
7
6
3
10
At what rate does the sun move across the sky? (HINT: think time zones/longitude)
20o
23o
15o
30o
11
The sun hits zenith in NYS on...
March 21st
Never ever
June 21st
December 21st
12
As the planet revolves starting at this position, the gravitational attraction will
increase, then decrease
continually decrease
remain the same
decrease, then increase
13
As planets orbit towards a perihelion distance, the velocity of the planet's orbit
decreases
remains the same
increases
14
Kepler's law states that all our planets move in an ellipse. One of the two foci points is
the North Star
the Sun
Betelgeuse
the Earth
15
The gravitational pull between the sun and the Earth when it is aphelion distance away is...
less strong, therefore Earth moves faster
stronger, therefore Earth moves faster
less strong, therefore Earth moves slower
stronger, therefore Earth moves slower
16
What degree measure is the tilt of planet Earth?
20o
23.5o
20.5o
15o
17
In which diagram is the intensity of insolation the greatest?
D
A
C
B
18
The tilt of the Earth is the cause of the Earth's
uniform daylight hours
365.25 day year
24 hour day
changing length of daylight
19
If you see the sun in the North West, then that means that...
It is a winter late afternoon.
It is a summer late afternoon.
It is a summer morning.
Kanye is coming.
20
As you increase the distance between two foci points, the shape of the ellipse
gets more circular
gets smaller
gets flatter and wider
gets bigger
