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