astr final exam
pdf
keyboard_arrow_up
School
Clemson University *
*We aren’t endorsed by this school
Course
1030
Subject
Astronomy
Date
Feb 20, 2024
Type
Pages
15
Uploaded by ChefResolve13339
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
1.
The constellations shift about 1o each day
True
2.
__________________ introduced the ellipse to ex-
plain the orbits of the planets.
Kepler
3.
Which of the following sentences is NOT true about science?
Science only pro-
gresses by following the scientific method
4.
Why does the phase of the moon change?
We see the illuminat-
ed part facing the sun.
5.
After the fall of the Roman Empire, scientific progress came to a halt in Europe.
False
6.
If a planet has a highly eccentric orbit, we mean that
. we mean that part of the orbit is much clos-
er to the star than oth-
er parts.
7.
Astronomy like Chemistry is an experimental sci-
ence.
False
8.
________________ demonstrated that the sun had spots, the moon had craters, and Jupiter had moons.
Galileo
9.
The height of something (building, tree, mountain, etc...) is equal to the angle it subtends (in radians) multiplied by the length of its shadow.
False
10.
How old is the universe
14 billion years old
11.
Solar eclipses can only occur at
new moon
12.
Why do we have seasons
As Earth goes around the Sun and Earth's axis remains point-
ed toward Polaris, the Northern and South-
1 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
ern hemispheres al-
ternately receive more and less direct sun-
light.
13.
At arms length the thickness of your fingernail subtend about
1 arc minute
14.
The tilt of the Earth
Process on a 26,000 year time scale
15.
If the Sun were the size of a grapefruit, then the next nearest star would be in
Long Beach, CA
16.
Copernicus was the first person to propose a he-
liocentric model of the universe.
False
17.
What do astronomers mean when they say that the universe is expanding?
The average distance between galaxies is increasing with time.
18.
At arm's length your index finger subtends about
1 degree
19.
Copernicus proved that the Earth went around the Sun.
False
20.
The seasons on Earth are caused by its elliptical orbit
False
21.
How old is the Earth
4.8 billion
22.
If the Sun were the size of a grapefruit, the Earth would be about the size of
a grain of sand
23.
Order the following parts of our cosmic address from the most local to the most distant.
Clemson
Earth
Solar System
MW Galaxy
Local Group
2 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
Local Super Cluster
Universe
24.
If the Earth was not titled, then
There would be no seasons
25.
If the age of the universe were scaled down to a single year, the Earth would have formed around
the first day of fall
26.
Which of the following are not subfields of astron-
omy?
Astrosociology
27.
In Australia it is usually warmer around December than it is in June.
True
28.
If the milky way galaxy were the size of death valley (the football stadium), the average space between stars would be about
as thick as a blade of grass
29.
Which of the following best describes the modern definition of an asterism?
A pattern of bright stars in the sky.
30.
On a cosmic calendar scale that compresses the age of the universe to one year, human civilization is only a few seconds old.
True
31.
Select the principle reasons ancient societies have universally studied the sky.
Agriculture Navigation Migration
32.
Lunar eclipses
occur during full moon
33.
Only advance cultures cared about studying the sky
False
34.
Lunar cycle last about
one month
35.
Which of the following is not a ham ark of science
Technical
36.
Stars are part of a constellation because
3 / 15
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
They appear in the same region of the sky.
37.
What is a theory
Explanatory frame-
work
38.
Which of the following was not a major advan-
tage of Copernicus's Sun-centered model over the Ptolemaic model?
It made significantly better predictions of planetary positions in our sky.
39.
A few days before full moon, the phase of the moon is
Waxing Gibbous
40.
Scientific progress ceased between the time Ptolemy and Copernicus.
False
41.
The Europeans are designing a 100m telescope. How much larger is the light gathering power of this telescope than the 10m Keck telescope?
100 times greater
42.
Rank order the following forms of light from high-
est frequency to lowest frequency.
Gamma Ray
X Ray
Ultraviolet
Visible light
Infrared Light
Radio Waves
43.
Currently, the largest optical telescopes have a diameter of about
10m
44.
The principle advantage of the Hubble Space Tele-
scope over ground based telescopes is that it is closer to the stars. The dark bands in the solar spectrum are due to
False. Chemical com-
position of cool gas against the hot contin-
uum of the Sun's pho-
tosphere.
45.
False
4 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
A bicycle and car are involved in a head on colli-
sion. The change in velocity of the car is the same as the change in velocity of the bike.
46.
Which of the following is not a form of kinetic energy?
Compressed Spring
47.
Every thing looks red through a transparent red piece of glass (a red filter) because
The red glass trans-
mits red light
48.
Why does the tiger paw look orange?
Reflects Orange Light
49.
Mass is best defined as
Resistance to accer-
leration
50.
Radiative energy is the
energy carried by light
51.
Which of the following is not conserved quantity
Radiation
52.
Why aren't you glowing?
I am glowing, but I am only bright at infrared wavelengths that are invisible.
53.
Your weight is the same on Earth as it is on the moon
False
54.
I am moving away from a source of light. Which of the following statements is true?
The photons striking me will have a longer wavelength than if I were standing still.
55.
Objects moving toward us are red shifted
False
56.
A mosquito and semi-trailer collide on the inter-
state.
The force of the truck on the mosquito is equal in magnitude and opposite in direc-
tion to the force of the 5 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
mosquito on the wind-
shield of the truck.
57.
Which object is the hottest
a blue star
58.
Why so the stars twinkle
turbulence in the at-
mosphere
59.
If the Sun was to suddenly turn into a black hole, the Earth would
Continue orbiting as if nothing happened
60.
The spectra of most galaxies shows redshift which means that they are moving away from us
True
61.
The speed you need to travel to escape Earth's gravitational pull is the same no matter how mas-
sive you are
True
62.
You travel to the moon. Which of the following is true
My weight is less, my mass is the same
63.
There is no such thing as a bad question
False
64.
The photons emitted by a solid object depend on
temperature of the material
65.
Higher energy light is bluer than lower energy
True
66.
Radio waves travel at the speed of light
True
67.
Which of the following statements best describes the two principal advantages of telescopes over eyes?
Telescopes can col-
lect far more light with far better angular res-
olution
68.
Which of the following is not one of Kirchoff's Laws?
The peak brightness of an object tells you the temperature of that object.
6 / 15
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
69.
Rank order the following forms of light from short-
est wavelength to longest wavelength.
Gamma Ray
X Ray
Ultraviolet
Visible Light
Infrared Light
Radio Waves
70.
I am moving toward a source of light. Which of the following statements is true?
The energy of the pho-
tons striking me is higher than if I was standing still.
71.
Which of the following is NOT one of Newton's laws of motion?
Mass/Energy must be conserved
72.
You are currently emitting electromagnetic radia-
tion.
True
73.
A bicycle and car are involved in a head on colli-
sion. The momentum transfered from the bike to the car is equal and opposite to the momentum transfered from the car to the bike.
True
74.
The more mass an object has, the faster it accel-
erates towards the Earth.
False
75.
The total amount of mass in the universe is con-
served
False
76.
Which of the following is an example in which you are traveling at constant speed but not at constant velocity?
Driving around in a cir-
cle at exactly 100mph
77.
According to Wein's Law, the wavelength of the peak brightness of an object depends on it tem-
perature
True
78.
Suppose you heat up an oven to 400o F and boil a pot of water at 212oF. Which of the following explains why you would be burned by sticking The energy density of the boiling water is 7 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
your hand briefly in the pot of boiling water but not by sticking your hand briefly in the oven?
higher than the air in the oven.
79.
When buying a telescope, you should ignore the magnification advertised.
True
80.
A bicycle and car are involved in a head on colli-
sion. The force of the bike on the car is equal and opposite to the force of the car on the bike.
True
81.
Which of the following methods has led to the most discoveries of massive planets orbiting near their parent stars?
detecting the gravita-
tional effect of an orbit-
ing planet by looking for the Doppler shifts in the star's spectrum
82.
How does the Earth-Sun distance compare with the readius of the Sun?
It's about 200 times larger
83.
Why are most of the planets discovered by the radial-velocity method of searching for planets larger than Jupiter and very close to their host star?
The radial velocity method can only de-
tect very large planets close to their host star.
84.
Which of the following is not evidence for disks around young stars?
Eclipses of the star by disks
85.
Life probably arose on earth about
3.85 billion years ago
86.
Which of the following has not been detected around other stars in the Galaxy?
All of them can be ob-
served
87.
Who first proposed the nebular theory of planet formation
Immanuel Kant
88.
Why do disks from around stars as they are born
Conservation of angu-
lar momentum
89.
Which world is the hottest
Venus
8 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
90.
The sky is blue because
molecules scatter blue light more effectively than red light
91.
Terrestrial planets are rocky
True
92.
Moons are common around terrestrial planets
False
93.
Which of the following is not a necessity for life
Oxygen
94.
The detection of hot Jupiters shows that the neb-
ular theory was all wrong.
False
95.
Which of the following statements is not an ob-
served pattern of motion in our solar system?
Most planets orbit at the same speed
96.
Fermi's paradox
asks where all the aliens are if intelligent life in the universe is common.
97.
Panets have never been directly imaged outside of our solar system
False
98.
Order the following objects from nearest (1) to furtherest (10) from the Sun.
Mercury Venus
Earth
Mars
Asteroid Belt Jupiter
Saturan Uranus
Neptune
Kuiper Belt
99.
The Doppler technique for planet detection has found Earth-like planets around nearby Sun-like stars.
False
100.
9 / 15
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
The Kelper satellite has detected transiting plan-
ets around ~1% of the stars in its field of view. This tells that
Virtually all stars have planets
101.
Terrestrial planets don't have rings
True
102.
The detection of an Earth-like planet in the hab-
itable zone of another star would prove the exis-
tence of life on other planets.
False
103.
Which of these facts is not explained by the Neb-
ular Theory?
The number of planets of each type (four ter-
restrial and four jovian planets).
104.
The boundary beyond which ice can form in a disk is called the
Frost Line
105.
Suppose you found a star with the same mass as the Sun moving back and forth with a period of 16 months. What could you conclude?
It has a planet orbiting at greater than 1au
106.
Uranus is turned on its side
True
107.
A planet more massive than the Earth orbits the Sun beyond the orbit of Pluto.
True
108.
A forming planet has been detected in a disk.
True
109.
Pluto is a planet
False
110.
The best definition of a theory is
the conceptual frame-
work scientists use to make sense of data, observed regularities, and new predictions.
111.
Which of the following shows that amino acids can be synthesized in space?
The Murchinson me-
teorite
10 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
112.
Evidence for the earliest life comes from the car-
bon isotopes of ancient fossils.
True
113.
Terrestrial planets are the most massive planets in the solar system
False
114.
Which of the following is not a reason that planet formation comes to an end?
Gas loses its angular momentum
115.
How would the solar system be different if the solar nebula had cooled, with a temperature half its actual value.
Jovian planets would have formed closer to the Sun.
116.
Why does the shamrock look green?
It reflects/scatters green light.
117.
Stellar jets carry angular momentum out of star disk system keeping the star from spinning too fast.
True
118.
What process created the elements from which the terrestrial planets were made?
Nuclear fusion in stars
119.
Binary stars do not have planets.
False
120.
According to our theory of solar system forma-
tion, why do all the planets orbit the Sun in the same direction and in nearly the same plane
The laws of conser-
vation of energy and conservation of angu-
lar momentum ensure that any rotating, col-
lapsing cloud will end up as a spinning disk.
121.
Which of the following are not conditions likely to be important for life on Earth?
The asteroid belt
122.
The first planets around other Sun-like stars were discovered
About 20 years ago
123.
11 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
Planets detected via the Doppler technique have been mostly
Jupiter-mass, in very close orbits.
124.
Objects moving towards us are red shifted
False
125.
Which of the following planets has the least sub-
stantial atmosphere?
Mercury
126.
What is Jupiter's Great Red Spot?
A long-lived, high-pressure storm twice the size of Earth.
127.
The average temperature of the Earth has in-
creased by how much over the past 50yrs
0.5 degrees C
128.
Which moon has a thick atmosphere?
Titan
129.
Planet IX is
the 9th planet as-
tronomers have in-
ferred from the orbits of the minor planets in the Kuiper belt.
130.
Rank the five terrestrial worlds in order of size from smallest to largest
Moon
Mercury
Mars
Venus
Earth
131.
Why don't terrestrial planet have Hydrogen gas in their atmosphere?
the escape velocity is lower than the aver-
age velocity of the hy-
drogen
132.
What would happen to earth's temperature if Earth were more reflective
It would go down
133.
Which of the following is not evidence supporting the giant impact theory for the formation of the Moon?
Scientists have found several meteorites that appear to be the 12 / 15
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
remains of the object that caused the giant impact.
134.
Jupiter does not have a large metallic core like the Earth. How can it have a strong magnetic field?
It has metallic hydro-
gen inside.
135.
If Earth didn't have an atmosphere, what would happen to its temperature?
It would go down a lot (more than 10°C).
136.
The correlation between the increase in CO2 and the increase in temperature throughout Earth's history proves that increasing CO2 causes the increase in temperature.
False
137.
Saturn is the only planet in the solar system with rings.
False
138.
The weather on Mars is much different today than in the distant past.
True
139.
Carbon is removed from Earth's biosphere by subduction.
True
140.
Jupiter and Saturn have metallic hydrogen layer
True
141.
Under what circumstances can differentiation oc-
cur in a planet?
It must be a mix of ma-
terials of different den-
sity.
Material inside must be able to flow.
142.
Jupiter is denser than Saturn
True
143.
Which of the following does affect the climate on earth
Changes in green-
house gases
Changes in the tilt of Earth's axis
Solar brightening 13 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
Changes in the reflec-
tivity of the Earth
144.
Aurora are caused by
charged particles from the solar wind interact-
ing with the upper at-
mosphere.
145.
Comets are dirty snowballs
True
146.
What's the leading theory for the origin of the Moon?
It formed from the ma-
terial ejected from the Earth in a giant impact
147.
The Earth gets hit by an object large enough to cause mass extinction about once every
100 million years
148.
Which moon has the most volcanic activity?
Lo
149.
Why does Venus have such a great difference in temperature between its "no atmosphere" tem-
perature and its actual temperature?
It has a large amount of greenhouse gases in its atmosphere.
150.
Which internal energy source is the most impor-
tant in continuing to heat the terrestrial planets today?
radioactivity
151.
Which moon has a warm liquid water layer under-
neath its ice crust?
Europa
152.
If you were in the middle of the asteroid belt, the other asteroids would be too far away to see clearly without a telescope.
True
153.
Weather an climate are pretty much the same thing
False
154.
Saturns rings
are a variable feature that will only last a 14 / 15
Astronomy 1010 Final Exam
Study online at https://quizlet.com/_28rhlp
few hundred thousand years
155.
Which two properties are most important in deter-
mining the surface temperature of a planet?
distance from the Sun and atmosphere
156.
Mars has lost most of its atmosphere because
It lacks a strong mag-
netic field to protect it from the solar wind.
157.
Which object has the highest average surface temperature, and why?
Venus, because of its dense carbon dioxide atmosphere
158.
Why do smaller planets cool faster than larger planets?
Smaller size means a smaller ratio of volume to surface area
159.
Why are there very few asteroids beyond Jupiter's orbit?
Ice could form in the outer solar system.
160.
On average, Venus is the hottest planet in the solar system - even hotter than Mercury.
True
15 / 15
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help