The Moon in its orbit around the Earth:

always keeps the same side towards the Earth

How were martian invaders killed in the novel that was dramtized on October 30, 1938 by Orson Welles?

Bacteria on Earth that they weren't used to

In astronomy, ONE reason that we observe broadened (or smeared) emission and absorption spectrum lines is because

a simple Bohr model allows for multiple electron transitions

Spectral lines are formed because

only certain electron energies are allowed in atoms

What are constellations?

groups of stars making an apparent pattern in the celestial sphere

Which of the choices below correctly lists things in order from LARGEST to SMALLEST:

Universe, Local Group, Milky Way, Solar System

On which of the assumptions do Ptolemy and Copernicus agree?

All orbits must be perfect circles

The uniqueness of the spectral line pattern of any element is caused by

the unique energy level structure of the element

The "color" (wavelength) of the radiation an electron emits when it makes a transition in an atom depends only on

the difference in the energies of its initial and final states

What contribution to astronomy was made by Tycho Brahe?

his observations of planetary motion proved circular orbits could work

The phases of the moon are caused by:

as it revolves, different portions of sunlit side are presented to Earth

What does Kepler's third law imply about planetary motion?

Planets further to the Sun take longer to orbit the Sun than closer ones

studbud

Astronomy Semester 1 Exam Prep Part 1

100 termsStudBud Administration30 plays

This contains all of the questions of chapter 1 - 5 tests + quizzes. The only thing not included were longer short answer responses, quiz problems that required diagrams or drawn answers, and multiple-choice diagram questions as I couldn't get pictures of them. Good luck!! :)

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
What is a geocentric view of the universe considered?
Prograde
Copernican
Ecliptic
Ptolemaic
2
The moon makes one complete revolution around the Earth every:
24 hours
day
year
month
3
The largest parallax angle observed for any star (not the sun) is:
smaller than 1 degree but larger than 1 arc-minute
larger than 1 degree
smaller than 1 arc-second
smaller than 1 arc-minute but larger than 1 arc-second
4
Our knowledge of supernovae in ancients times is largely due to the meticulous records kept by Tycho Brahe.
True
False
5
The Moon in its orbit around the Earth:
always keeps the same side towards the Sun
always keeps the same side towards the Earth
rotates once every 24 hours, to keep in step with the Earth
always keeps the sunlit side towards the Earth
6
The orbits of the planets have eccentricities close to one.
True
False
7
How were martian invaders killed in the novel that was dramtized on October 30, 1938 by Orson Welles?
Destruction of the planet Earth
Bacteria on Earth that they weren't used to
Human vs Alien War
God
8
Waves carry energy and matter from one location to another.
False
True
9
In astronomy, ONE reason that we observe broadened (or smeared) emission and absorption spectrum lines is because
a simple Bohr model allows for multiple electron transitions
the quantum nature of light is violated
the continuous spectrum is weak
the collisions between rapidly moving atoms cause Doppler shifts
10
Practically everything we know about distant astronomical objects comes from analysis we receive from those objects.
True
False
11
The parsec is a unit that measures __________.
mass
matter
distance
time
12
Which element was found in the Sun before it was found on the Earth?
sodium
helium
calcium
hydrogen
13
X-rays travel faster than radio waves
True
False
14
Spectral lines are formed because
human eyes aren't sensitive to all wavelengths in the spectrum
the Doppler effect causes all photons to be shifted to a certain wavelength
only certain types of photons are allowed to exist
only certain electron energies are allowed in atoms
15
What are constellations?
ancient story boards, useless to ancient astronomers
groups of stars gravitationally bound, appearing close together in the sky
groups of stars making an apparent pattern in the celestial sphere
apparent groupings of stars and planets visible on a given evening
16
The parsec's name comes from the words:
parallax arc and second
parallax arc and minute
parallax angle and second
paragraph arc and second
17
How many constellation is the celestial sphere divided into?
57
44
88
12
18
Of all the forms of electromagnetic radiation, the one with the longest wavelength is
microwaves
gamma rays
radio waves
visible light
19
The distances to bodies in the solar system are a few light years.
False
True
20
The time it takes for the Earth to rotate until the Sun is in the same position in the sky as before is a:
sidereal day
ecliptic
solar day
zenith
21
Which of the choices below correctly lists things in order from LARGEST to SMALLEST:
Solar System, Local Group, Universe, Milky Way
Universe, Milky Way, Local Group, Solar System
Local group, solar system, Milky Way, Universe
Universe, Local Group, Milky Way, Solar System
22
According to Wien's law, if the surface temp of a blackbody is decrease by a factor of 2, its peak wavelength will
decrease by a factor of 2
decrease by a factor of 4
increase by a factor of 4
increase by a factor of 2
23
In a lunar eclipse, the _______ comes in between the alignment of the Sun and the Moon.
Earth
Comet
Sun
Moon
24
On which of the assumptions do Ptolemy and Copernicus agree?
The Sun must orbit us, but the planets orbit the Sun
All orbits must be perfect circles
The Earth must be the center of all motion in the cosmos
The Sun is bigger than the Earth
25
The uniqueness of the spectral line pattern of any element is caused by
the unique energy level structure of the element
the pressure of gas in the stellar atmosphere
the unique doppler shift of the element
the temperature conditions under which that element is found
26
What kinds of macroscopic objects do not emit radiation?
No objects
Hot objects
Cool objects
Incandescent ojects
27
What was a correction added to the Ptolemaic model to account for anomalies in observed planetary motions?
epicycles
opposition
retrograde
conjunction
28
The Greek word "planetes" means "little god".
False
True
29
Light reaches the Earth in about:
eight seconds
8 days
8 hours
eight minutes
30
The "color" (wavelength) of the radiation an electron emits when it makes a transition in an atom depends only on
the energy of its initial state
the energy of its final state
the difference in the energies of its initial and final states
motion of the star perpendicular to the line of sight
31
The place in a planet's orbit that is closest to the Sun is called
crossing the eclipic
aphelion
vernal equinox
perihelion
32
The zone around the ecliptic where the Sun, the Moon, and the planets travel is the:
ecliptic
zodiac
zenith
meridian
33
What person was honored by the Sun-watching telescope in Germany and placed inside a fairy-land structure?
Issac Newton
Dr. Allan
Galileo
Albert Einstein
34
The VERNAL EQUINOX marks the beginning of:
winter
summer
fall
spring
35
What contribution to astronomy was made by Tycho Brahe?
The planets' orbits around the Sun are ellipses, not circles
The Earth is not the center of the universe
Retrograde motion must be explained by larger epiclyles than Ptolemy's
his observations of planetary motion proved circular orbits could work
36
A solar eclipse can only happen during a:
solstice
perihelion passage of the sun
full moon
new moon
37
The normal motion of the planets relative to the celestial sphere is from west to east.
False
True
38
How long is Earth's precession cycle?
365.24 days
29.5 days
18 years, 11.3 days
26,000 years
39
Kepler's 3 laws of planetary motion correspond directly to Newton's 3 laws of motion (ie 1st law to 1st law, 2nd to 2nd)
False
True
40
Electromagnetic radiation with a wavelength of 550 nm wouble be:
X-rays
infrared
visible light
microwaves
41
Newton's laws completely replaced the incorrect work of Kepler.
False
True
42
What is the Breakthrough Listen project listening for?
Evidence of new Black Holes
Evidence of Alien Life
Evidence of God
Evidence of a new Solar System formation
43
What is the term for a glowing expanding bubble of gas that forms when a star exhausts the nuclear fuel in its core?
nebula
coronal mass ejection
black hole
white dwarf
44
From the North Pole, Polaris would appear nearly directly overhead.
True
False
45
The parallax shift of a star would be GREATER if viewed from positions 3 months apart rather than 6 months apart
False
True
46
The phases of the moon are caused by:
variations of the sunlight reflected from moon at dif. distances from Earth
as it revolves, different portions of sunlit side are presented to Earth
the Earth's shadow, which darkens part of its surface.
reflection of light from the Earth.
47
What does Kepler's third law imply about planetary motion?
All planets orbit the Sun at the same speed
Planets closer to the Sun take longer to orbit the Sun than further ones
Planets further to the Sun take longer to orbit the Sun than closer ones
This law implies nothing about a planet's motion
48
The rotation period of the moon is about:
1 week
1 day
1 year
1 month
49
When a planet appears in the same region of the sky as the Sun this is called:
opposition
prograde
conjuction
retrograde
50
The change in seasons is directly related to:
regular variations in the solar cycle
the procession of the Earth's rotation
the distance between the Earth and the Sun
the tilt of the Earth's axis
51
The time it takes for Earth to rotate until the stars are in the same position in the sky as before is a:
ecliptic
solar day
zenith
sidereal day
52
What is it called when there is normal motion of the planets relative to the celestial sphere?
retrograde
conjunction
opposition
prograde
53
If a light source is receding from you at a speed 1% of the speed of light, it will appear:
fainter than it is
bluer than it is
brighter than it is
redder than it is
54
A star with a large parallax angle
is moving at a slow speed with respect to the Earth
is at a great distance from Earth
is at a short distance from Earth
is a moving at a great speed with respect to the Earth
55
The Milky Way Galaxy is about:
1,000,000 light years across
100,000 light years across
100 light years across
10,000,000 light years across
56
The Nobel Prize was awarded this year for research on what topic?
The discovery of new black holes
The discovery of new exoplanets
the discovery of a new planet in the Milky Way
The discovery of dark matter
57
A year is defined as:
the time it takes for Earth to complete a rotation on its axis
the time it takes for Earth to complete an orbit around the Sun
the time it takes for the Sun to complete an orbit around the Earth
the time it takes for the Moon to complete an orbit of the Earth
58
The force of gravity between 2 objects:
depends on the density, no the mass of obejects
increases with the object's mass, decreases with square of distance
increases with the object's mass, decreases linearly with distance
increases with the square of mass, decreases with cube of distance
59
Only AT THE EQUATOR are all the stars visible over the course of a year.
True
False
60
How long does it take the Moon to go around the ecliptic?
day
week
year
month
61
Over the course of a night, Polaris moves less than any other visible star in the sky.
False
True
62
A circular orbit would have an eccentricity of
0
between 0.5 and 1
exactly 1
between 0 and 0.5
63
What phase of the moon rises when the sun is rising?
Waning Gibbous
Full Moon
New Moon
Waxing crescent
64
The principal culture that transferred Greek astronomical knowledge to Renaissance Europe was:
Islamic
Byzantine
Mayan
Chinese
65
Ptolemy introduced epicycles into his model in order to explain what observation?
The nonuniform motion of the Sun along the ecliptic
The retrograde motion of the planets
Venus always appearing close to the Sun
Total eclipses of the Sun
66
A wave's velocity is the product of the
frequency times the wavelength of the wave
frequency time the period of the wave
amplitude times the frequency of the wave
amplitude times the wavelength of the wave
67
Radio waves, visible light, and x-rays are all types of electromagnetic radiation
False
True
68
What is a CCD?
Captain Crunch device
Cosmo-coupling device
Charge-coupled device
Coronal-capturing Device
69
As a star's temperature increases, the wavelength of peak emission also increases
True
False
70
There are 3,600 arc-seconds in a degree
False
True
71
What is the literal meaning of the word EQUINOX?
equal nights
equity rules
equal days
noxequi
72
The heliocentric model was actually first proposed by:
Aristotle
Aristarchus
Archimedes
Alexander the Great
73
In the laboratory, I am looking at a hot glowing object through a tube that has some cool gas in it. I will see
just a continuous spectrum
a continuous spectrum with absorption lines
a continuous spectrum with emission lines
a spectrum with only emission lines
74
The lower a wave's frequency, the higher its energy
False
True
75
What phase of the moon sets at the same time as the sun rises?
Third quarter
New moon
Full moon
Waxing Gibbous
76
Whenever an electron moves from a high energy shell to a low energy shell
a photon is emitted
a chemical reaction occurs
a laser wave is created
a photon is absorbed
77
Which of these is constant for ALL types of electromagnetic radiation in a vaccum?
wavelength
frequency
amplitude
speed
78
Which of the following astronomical concepts did not arise from Greek notions of geometry and symmetry?
The orbits of the planets are ellipses
The Earth is spherical
All celestial motions are uniform and circular
The celestial spheres rotate
79
According to most current estimates, how many black holes are in the Milky Way Galaxy?
1,000,000 - 10,000,000
10 - 100
100 - 1,000
10,000,000 - 1,000,000,000
80
The Full moon always occurs
on the first of every month
when the moon is closer to the Sun than it is the Earth
when the moon is at quadrature
when the moon is further away from the sun than it is the Earth
81
Using Wein's law, identify at which of these Kelvin temps. a blackbody radiation would radiate at visible wavelength.
60 K
6000 K
6 K
600 K
82
Place the following bands of electromagnetic radiation in order from LONGEST to SHORTEST wavelength:
Gamma ray, x-ray, ultraviolet, visible, infrared, microwave, radio
gamma ray, microwave, x-ray, infrared, vixible, ultraviolet, radio
microwave, infrared, ultraviolet, visible, x-ray, radio, gamma ray
radio, microwave, infrared, visible, ultraviolet, x-ray, gamma ray
83
Compared to slowly rotating stars, the fastest spinning stars have absorption lines that are
narrowed
broadened
identical to the lines in slowly rotating stars
84
According to Newton's laws, if the moon were 3X further from Earth, the force by the Earth on the moon would:
increase by a factor of 9
decrease by a factor of 9
decrease by factor of 3
increase by a factor of 3
85
Which of the following types of electromagnetic radiation has the lowest frequency?
infrared
radio
visible
ultraviolet
86
As stated in the book, the atmosphere is generally transparent only to
visible light & radio waves
visible light & infrared light
radio waves & ultraviolet light
visible light & x-rays
87
Which of the following statements is NOT true about the Doppler Effect?
The Doppler Effect applies to all waves
The Doppler shift is greater the closer the observer is to the source
There is no Doppler shift if it is moving perpendicular to the observer
The Doppler shift is greater when it's moving toward the observer fast
88
What is one possible explanation for the jump in the rate of crater formation by more than 2.5 about 25 mill. years ago?
Space trash
Debris
Aliens
One or more collisions in the asteroid belt
89
What is a heliocentric view of the universe considered?
Copernican
Ecliptic
Opposition
Ptolemaic
90
A lunar eclipse can only happen during a _______.
aphelion
full moon
new moon
equinox
91
In a solar eclipse, the ______ comes in between the alignment of the Sun and the Earth.
yo mama
moon
sun
comet
92
What is the result of intense tidal forces on Jupiter's moon, IO?
They cause Hurricanes
They cause Tsunamis
They create Volcanoes
They cause Earthquakes
93
You would perceive a change in visible light wave's wavelength as a change in color
True
False
94
According to Kepler's second law, when a planet moves closer to the Sun in its orbit:
it speeds up
it slows down
it undergoes retrograde motion
it changes the focal point of its ellipse
95
What comparison is made between declination in the celestial sphere and Earth
declination is like latitude
declination is like longitude
declination is like declination
declination is like declining atmospsheric pressure
96
Mercury, which has a higher eccentricity orbit, should change its orbital speed more than Venus or Earth does.
False
True
97
Constellations appear to move across the sky at night because
Stars are in constant motion
the Moon orbits the Earth
the Earth orbits the sun
the Earth Spins on its axis
98
Upon which point do Copernicus and Kepler disagree?
The Earth orbits the Sun
The orbits of the planets are ellipses, with one focus at the Sun
The moon orbits the Earth
Retrograde motion occurs when one planet overtakes the other
99
If you observe a neon advertising sign through a spectroscope, you would see
a bright-line (emission) spectrum
no spectrum at all because neon is in glass
a continuous spectrum
a dark-line (absorption) spectrum
100
The plane of the Earth's orbit is the:
ecliptic
zodiac
zenith
meridian

Astronomy Semester 1 Exam Prep Part 1 Flashcards | StudBud

Astronomy Semester 1 Exam Prep Part 1

100 termsStudBud Administration30 plays

Flashcards100 cardsFPractice quizPHost liveL

Questions 100

Answers

1
What is a geocentric view of the universe considered?
Prograde
Copernican
Ecliptic
Ptolemaic
2
The moon makes one complete revolution around the Earth every:
24 hours
day
year
month
3
The largest parallax angle observed for any star (not the sun) is:
smaller than 1 degree but larger than 1 arc-minute
larger than 1 degree
smaller than 1 arc-second
smaller than 1 arc-minute but larger than 1 arc-second
4
Our knowledge of supernovae in ancients times is largely due to the meticulous records kept by Tycho Brahe.
True
False
5
The Moon in its orbit around the Earth:
always keeps the same side towards the Sun
always keeps the same side towards the Earth
rotates once every 24 hours, to keep in step with the Earth
always keeps the sunlit side towards the Earth
6
The orbits of the planets have eccentricities close to one.
True
False
7
How were martian invaders killed in the novel that was dramtized on October 30, 1938 by Orson Welles?
Destruction of the planet Earth
Bacteria on Earth that they weren't used to
Human vs Alien War
God
8
Waves carry energy and matter from one location to another.
False
True
9
In astronomy, ONE reason that we observe broadened (or smeared) emission and absorption spectrum lines is because
a simple Bohr model allows for multiple electron transitions
the quantum nature of light is violated
the continuous spectrum is weak
the collisions between rapidly moving atoms cause Doppler shifts
10
Practically everything we know about distant astronomical objects comes from analysis we receive from those objects.
True
False
11
The parsec is a unit that measures __________.
mass
matter
distance
time
12
Which element was found in the Sun before it was found on the Earth?
sodium
helium
calcium
hydrogen
13
X-rays travel faster than radio waves
True
False
14
Spectral lines are formed because
human eyes aren't sensitive to all wavelengths in the spectrum
the Doppler effect causes all photons to be shifted to a certain wavelength
only certain types of photons are allowed to exist
only certain electron energies are allowed in atoms
15
What are constellations?
ancient story boards, useless to ancient astronomers
groups of stars gravitationally bound, appearing close together in the sky
groups of stars making an apparent pattern in the celestial sphere
apparent groupings of stars and planets visible on a given evening
16
The parsec's name comes from the words:
parallax arc and second
parallax arc and minute
parallax angle and second
paragraph arc and second
17
How many constellation is the celestial sphere divided into?
57
44
88
12
18
Of all the forms of electromagnetic radiation, the one with the longest wavelength is
microwaves
gamma rays
radio waves
visible light
19
The distances to bodies in the solar system are a few light years.
False
True
20
The time it takes for the Earth to rotate until the Sun is in the same position in the sky as before is a:
sidereal day
ecliptic
solar day
zenith
21
Which of the choices below correctly lists things in order from LARGEST to SMALLEST:
Solar System, Local Group, Universe, Milky Way
Universe, Milky Way, Local Group, Solar System
Local group, solar system, Milky Way, Universe
Universe, Local Group, Milky Way, Solar System
22
According to Wien's law, if the surface temp of a blackbody is decrease by a factor of 2, its peak wavelength will
decrease by a factor of 2
decrease by a factor of 4
increase by a factor of 4
increase by a factor of 2
23
In a lunar eclipse, the _______ comes in between the alignment of the Sun and the Moon.
Earth
Comet
Sun
Moon
24
On which of the assumptions do Ptolemy and Copernicus agree?
The Sun must orbit us, but the planets orbit the Sun
All orbits must be perfect circles
The Earth must be the center of all motion in the cosmos
The Sun is bigger than the Earth
25
The uniqueness of the spectral line pattern of any element is caused by
the unique energy level structure of the element
the pressure of gas in the stellar atmosphere
the unique doppler shift of the element
the temperature conditions under which that element is found
26
What kinds of macroscopic objects do not emit radiation?
No objects
Hot objects
Cool objects
Incandescent ojects
27
What was a correction added to the Ptolemaic model to account for anomalies in observed planetary motions?
epicycles
opposition
retrograde
conjunction
28
The Greek word "planetes" means "little god".
False
True
29
Light reaches the Earth in about:
eight seconds
8 days
8 hours
eight minutes
30
The "color" (wavelength) of the radiation an electron emits when it makes a transition in an atom depends only on
the energy of its initial state
the energy of its final state
the difference in the energies of its initial and final states
motion of the star perpendicular to the line of sight
31
The place in a planet's orbit that is closest to the Sun is called
crossing the eclipic
aphelion
vernal equinox
perihelion
32
The zone around the ecliptic where the Sun, the Moon, and the planets travel is the:
ecliptic
zodiac
zenith
meridian
33
What person was honored by the Sun-watching telescope in Germany and placed inside a fairy-land structure?
Issac Newton
Dr. Allan
Galileo
Albert Einstein
34
The VERNAL EQUINOX marks the beginning of:
winter
summer
fall
spring
35
What contribution to astronomy was made by Tycho Brahe?
The planets' orbits around the Sun are ellipses, not circles
The Earth is not the center of the universe
Retrograde motion must be explained by larger epiclyles than Ptolemy's
his observations of planetary motion proved circular orbits could work
36
A solar eclipse can only happen during a:
solstice
perihelion passage of the sun
full moon
new moon
37
The normal motion of the planets relative to the celestial sphere is from west to east.
False
True
38
How long is Earth's precession cycle?
365.24 days
29.5 days
18 years, 11.3 days
26,000 years
39
Kepler's 3 laws of planetary motion correspond directly to Newton's 3 laws of motion (ie 1st law to 1st law, 2nd to 2nd)
False
True
40
Electromagnetic radiation with a wavelength of 550 nm wouble be:
X-rays
infrared
visible light
microwaves
41
Newton's laws completely replaced the incorrect work of Kepler.
False
True
42
What is the Breakthrough Listen project listening for?
Evidence of new Black Holes
Evidence of Alien Life
Evidence of God
Evidence of a new Solar System formation
43
What is the term for a glowing expanding bubble of gas that forms when a star exhausts the nuclear fuel in its core?
nebula
coronal mass ejection
black hole
white dwarf
44
From the North Pole, Polaris would appear nearly directly overhead.
True
False
45
The parallax shift of a star would be GREATER if viewed from positions 3 months apart rather than 6 months apart
False
True
46
The phases of the moon are caused by:
variations of the sunlight reflected from moon at dif. distances from Earth
as it revolves, different portions of sunlit side are presented to Earth
the Earth's shadow, which darkens part of its surface.
reflection of light from the Earth.
47
What does Kepler's third law imply about planetary motion?
All planets orbit the Sun at the same speed
Planets closer to the Sun take longer to orbit the Sun than further ones
Planets further to the Sun take longer to orbit the Sun than closer ones
This law implies nothing about a planet's motion
48
The rotation period of the moon is about:
1 week
1 day
1 year
1 month
49
When a planet appears in the same region of the sky as the Sun this is called:
opposition
prograde
conjuction
retrograde
50
The change in seasons is directly related to:
regular variations in the solar cycle
the procession of the Earth's rotation
the distance between the Earth and the Sun
the tilt of the Earth's axis
51
The time it takes for Earth to rotate until the stars are in the same position in the sky as before is a:
ecliptic
solar day
zenith
sidereal day
52
What is it called when there is normal motion of the planets relative to the celestial sphere?
retrograde
conjunction
opposition
prograde
53
If a light source is receding from you at a speed 1% of the speed of light, it will appear:
fainter than it is
bluer than it is
brighter than it is
redder than it is
54
A star with a large parallax angle
is moving at a slow speed with respect to the Earth
is at a great distance from Earth
is at a short distance from Earth
is a moving at a great speed with respect to the Earth
55
The Milky Way Galaxy is about:
1,000,000 light years across
100,000 light years across
100 light years across
10,000,000 light years across
56
The Nobel Prize was awarded this year for research on what topic?
The discovery of new black holes
The discovery of new exoplanets
the discovery of a new planet in the Milky Way
The discovery of dark matter
57
A year is defined as:
the time it takes for Earth to complete a rotation on its axis
the time it takes for Earth to complete an orbit around the Sun
the time it takes for the Sun to complete an orbit around the Earth
the time it takes for the Moon to complete an orbit of the Earth
58
The force of gravity between 2 objects:
depends on the density, no the mass of obejects
increases with the object's mass, decreases with square of distance
increases with the object's mass, decreases linearly with distance
increases with the square of mass, decreases with cube of distance
59
Only AT THE EQUATOR are all the stars visible over the course of a year.
True
False
60
How long does it take the Moon to go around the ecliptic?
day
week
year
month
61
Over the course of a night, Polaris moves less than any other visible star in the sky.
False
True
62
A circular orbit would have an eccentricity of
0
between 0.5 and 1
exactly 1
between 0 and 0.5
63
What phase of the moon rises when the sun is rising?
Waning Gibbous
Full Moon
New Moon
Waxing crescent
64
The principal culture that transferred Greek astronomical knowledge to Renaissance Europe was:
Islamic
Byzantine
Mayan
Chinese
65
Ptolemy introduced epicycles into his model in order to explain what observation?
The nonuniform motion of the Sun along the ecliptic
The retrograde motion of the planets
Venus always appearing close to the Sun
Total eclipses of the Sun
66
A wave's velocity is the product of the
frequency times the wavelength of the wave
frequency time the period of the wave
amplitude times the frequency of the wave
amplitude times the wavelength of the wave
67
Radio waves, visible light, and x-rays are all types of electromagnetic radiation
False
True
68
What is a CCD?
Captain Crunch device
Cosmo-coupling device
Charge-coupled device
Coronal-capturing Device
69
As a star's temperature increases, the wavelength of peak emission also increases
True
False
70
There are 3,600 arc-seconds in a degree
False
True
71
What is the literal meaning of the word EQUINOX?
equal nights
equity rules
equal days
noxequi
72
The heliocentric model was actually first proposed by:
Aristotle
Aristarchus
Archimedes
Alexander the Great
73
In the laboratory, I am looking at a hot glowing object through a tube that has some cool gas in it. I will see
just a continuous spectrum
a continuous spectrum with absorption lines
a continuous spectrum with emission lines
a spectrum with only emission lines
74
The lower a wave's frequency, the higher its energy
False
True
75
What phase of the moon sets at the same time as the sun rises?
Third quarter
New moon
Full moon
Waxing Gibbous
76
Whenever an electron moves from a high energy shell to a low energy shell
a photon is emitted
a chemical reaction occurs
a laser wave is created
a photon is absorbed
77
Which of these is constant for ALL types of electromagnetic radiation in a vaccum?
wavelength
frequency
amplitude
speed
78
Which of the following astronomical concepts did not arise from Greek notions of geometry and symmetry?
The orbits of the planets are ellipses
The Earth is spherical
All celestial motions are uniform and circular
The celestial spheres rotate
79
According to most current estimates, how many black holes are in the Milky Way Galaxy?
1,000,000 - 10,000,000
10 - 100
100 - 1,000
10,000,000 - 1,000,000,000
80
The Full moon always occurs
on the first of every month
when the moon is closer to the Sun than it is the Earth
when the moon is at quadrature
when the moon is further away from the sun than it is the Earth
81
Using Wein's law, identify at which of these Kelvin temps. a blackbody radiation would radiate at visible wavelength.
60 K
6000 K
6 K
600 K
82
Place the following bands of electromagnetic radiation in order from LONGEST to SHORTEST wavelength:
Gamma ray, x-ray, ultraviolet, visible, infrared, microwave, radio
gamma ray, microwave, x-ray, infrared, vixible, ultraviolet, radio
microwave, infrared, ultraviolet, visible, x-ray, radio, gamma ray
radio, microwave, infrared, visible, ultraviolet, x-ray, gamma ray
83
Compared to slowly rotating stars, the fastest spinning stars have absorption lines that are
narrowed
broadened
identical to the lines in slowly rotating stars
84
According to Newton's laws, if the moon were 3X further from Earth, the force by the Earth on the moon would:
increase by a factor of 9
decrease by a factor of 9
decrease by factor of 3
increase by a factor of 3
85
Which of the following types of electromagnetic radiation has the lowest frequency?
infrared
radio
visible
ultraviolet
86
As stated in the book, the atmosphere is generally transparent only to
visible light & radio waves
visible light & infrared light
radio waves & ultraviolet light
visible light & x-rays
87
Which of the following statements is NOT true about the Doppler Effect?
The Doppler Effect applies to all waves
The Doppler shift is greater the closer the observer is to the source
There is no Doppler shift if it is moving perpendicular to the observer
The Doppler shift is greater when it's moving toward the observer fast
88
What is one possible explanation for the jump in the rate of crater formation by more than 2.5 about 25 mill. years ago?
Space trash
Debris
Aliens
One or more collisions in the asteroid belt
89
What is a heliocentric view of the universe considered?
Copernican
Ecliptic
Opposition
Ptolemaic
90
A lunar eclipse can only happen during a _______.
aphelion
full moon
new moon
equinox
91
In a solar eclipse, the ______ comes in between the alignment of the Sun and the Earth.
yo mama
moon
sun
comet
92
What is the result of intense tidal forces on Jupiter's moon, IO?
They cause Hurricanes
They cause Tsunamis
They create Volcanoes
They cause Earthquakes
93
You would perceive a change in visible light wave's wavelength as a change in color
True
False
94
According to Kepler's second law, when a planet moves closer to the Sun in its orbit:
it speeds up
it slows down
it undergoes retrograde motion
it changes the focal point of its ellipse
95
What comparison is made between declination in the celestial sphere and Earth
declination is like latitude
declination is like longitude
declination is like declination
declination is like declining atmospsheric pressure
96
Mercury, which has a higher eccentricity orbit, should change its orbital speed more than Venus or Earth does.
False
True
97
Constellations appear to move across the sky at night because
Stars are in constant motion
the Moon orbits the Earth
the Earth orbits the sun
the Earth Spins on its axis
98
Upon which point do Copernicus and Kepler disagree?
The Earth orbits the Sun
The orbits of the planets are ellipses, with one focus at the Sun
The moon orbits the Earth
Retrograde motion occurs when one planet overtakes the other
99
If you observe a neon advertising sign through a spectroscope, you would see
a bright-line (emission) spectrum
no spectrum at all because neon is in glass
a continuous spectrum
a dark-line (absorption) spectrum
100
The plane of the Earth's orbit is the:
ecliptic
zodiac
zenith
meridian