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Astronomy 1: Solar System, Eccentricity and Seasons Flashcards | StudBud
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Astronomy 1: Solar System, Eccentricity and Seasons
Astronomy 1: Solar System, Eccentricity and Seasons
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Earth Science
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Questions
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Answers
1
Which of the following diagrams shows a geocentric model? (S = Sun, E = Earth, M = Moon)
D
B
C
A
2
What degree measure is the tilt of planet Earth?
15o
23.5o
20o
20.5o
3
The sun hits zenith in NYS on...
December 21st
Never ever
June 21st
March 21st
4
At which numbered location is Earth closest to the Sun?
2
3
4
1
5
Which statement about the period of revolution of the planets is correct?
The planets have equal periods of revolution
Planet Z has a longer period of revolution than Planet X
Planet X has a longer period of revolution than Planet Y
Planet Y has a longer period of revolution than Planet Z
6
Which location shows New York experiencing Summer?
3
4
2
1
7
The orbital path of these planets around Star A can best be described as having
a circular shape, with Star A at one focus
the same rotation
major axes of the same length
an elliptical shape, with Star A at one focus point
8
At which date would an observer cast the longest shadow?
December 21st
March 21st
June 21st
September 21st
9
In addition to Earth, which planets are represented by the diagram?
Mercury and Venus
Jupiter and Mars
Saturn and Pluto
Uranus and Neptune
10
Which two characteristics do all Jovian planets have in common?
small diameters and high densities
small diameters and low densities
large diameters and low densities
large diameters and high densities
11
If you see the sunset in the North West, then that means...
It is a summer late afternoon.
It is a summer morning.
Kanye is coming.
It is a winter late afternoon.
12
Which planet takes longer to complete 1 rotation than to complete 1 revolution around the Sun?
Jupiter
Mars
Venus
Mercury
13
At what rate does the sun move across the sky? (HINT: think time zones/longitude)
30o
20o
15o
23<span style="font-size: 13.3333330154419px;">o</span>
14
Where on Earth is the sun's vertical ray directly overhead?
Tropic of Cancer
NYS
Equator
Tropic of Capricorn
15
As the planet revolves starting at this position, the gravitational attraction will
increase, then decrease
remain the same
decrease, then increase
continually decrease
16
Which diagram shows the position of Earth on a winter day in the Northern Hemisphere?
B
A
D
C
17
What is the eccentricity if the distance between the foci is 4cm and the length is 16?
64
.5
.25
4
18
What is the date in the Northern Hemisphere?
September 21st
December 21st
March 21st
June 21st
19
To an observer located at the Equator, when would the Sun appear directly overhead at noon?
December 21st
March 21st
June 6th
February 1st
20
As you increase the distance between two foci points, the shape of the ellipse
gets flatter and wider
gets bigger
gets smaller
gets more circular
21
How much sunlight is the north pole receiving at the date represented by the picture below?
24
0
12
9
22
Where does the sun's vertical ray hit at position 4 and position 2?
Tropic of Cancer
Tropic of Capricorn
NYS
Equator
23
Compared to the Jovian planets, terrestrial planets are
more dense and larger
less dense and larger
less dense and smaller
more dense and smaller
24
These shadows were cast at 4 different times. Which time was intensity of insolation highest?
C
B
A
D
25
What is the latitude of the Tropic of Cancer?
23.5o N
23.5o S
0o
41o N
26
The different constellations observed from NYS during different seasons is because
Earth moves in it's orbit around the Sun.
The Earth is tilted on it's axis.
The lengths of day and night are different.
The stars move around Earth as shown by star trails.
27
At which position does planet X have the greatest orbital velocity?
1
2
3
4
28
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
stronger, therefore Earth moves slower
less strong, therefore Earth moves slower
29
The tilt of the Earth is the cause of the Earth's
uniform daylight hours
seaons
365.25 day year
24 hour day
30
Which observation about the Sun's path on June 21st is best supported by the diagram?
The sun moves at a rate of 10o per hour.
The sun's total daytime path is shortest on this date.
Sunset occurs south of west.
Sunrise occurs north of east.
31
As you decrease the distance between two foci points, the eccentricity
remains the same
increases
decreases
32
Where would a planet have the greatest gravitational attraction to star A?
3
6
7
5
33
If you had a pool large enough, which planet would float when placed in it?
Neptune
Venus
Mars
Saturn
34
At location 3, the greatest intensity of insolation is hitting...
Topic of Cancer
41 degrees N
The equator
Tropic of Capricorn
35
As planets orbit towards a perihelion distance, the velocity of the planet's orbit
decreases
increases
remains the same
36
In which diagram is the intensity of insolation the greatest?
D
C
B
A
37
Which of the following diagrams shows a geocentric model? (S = Sun, E = Earth, M = Moon)
D
C
A
B
38
Kepler's law states that all our planets move in an ellipse. One of the two foci points is
the Sun
the North Star
the Earth
Betelgeuse
39
Which planet has an orbit with an eccentricity most similar to the Moon’s orbit around Earth?
Jupiter
Neptune
Earth
Saturn
40
Why does the sun's vertical rays hit different latitudes at each numbered location?
Due to Earth's tilt
Due to the the Sun's rotation
Due to Earth's rotation
Due to the revolution of the Sun
