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8.9B Galaxies

Total questions: 186

Worksheet time: 3hrs 25mins

Name
Class
Date
1.

The Milky Way Galaxy is a

a)

Spiral Galaxy

b)

Elliptical Galaxy

c)

Peculiar Galaxy

d)

Trash Galaxy

2.

A galaxy which is either spherical (football or lens shaped) or a flattened disk with no arms is a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

3.

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

4.

A group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

a)

the Universe

b)

a Galaxy

c)

the Solar System

d)

a Planet

5.

What unit is used to measure distances in space?

a)

Light year

b)

Kilometer

c)

Miles

d)

Solar unit

6.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
7.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
8.

What type of galaxy is pictured?

(click on image to enlarge)

a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
9.

What type of galaxy is this?

(click on image to enlarge)

a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
10.

What is the time taken for the light to travel between the Sun and Earth?

a)

12 hours

b)

8 minutes

c)

1 day

d)

2 minutes

11.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
12.

How many stars are in a galaxy?

a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
13.

How old is the Milky Way?

a)

13.7 billion years old

b)

12 billion years old

c)

13.7 million years old

d)

13.7 trillion years old

14.

Where are we located within our galaxy?

a)

On one of the spiral arms

b)

On the outer edge

c)

In between 2 of the spiral arms

d)

In the center bulge

15.

The classification of Galaxy is based on its observable characteristics. Which of these characteristics is used to classify galaxies?

a)

shape

b)

temperature

c)

types of forces

d)

chemical elements

16.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
17.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
18.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
19.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
20.
What is the name of our galaxy? 
a)
Our galaxy is called the Milky Way galaxy 
b)
Our galaxy is called the Andromeda galaxy 
c)
Our galaxy is called the Grand spiral  galaxy. 
d)
Our galaxy is called the Whirlpool galaxy.
21.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
22.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and stars
c)
stars and ice
d)
water and dust
23.
The type of galaxy that has few young stars, little gas or dust, and NO arms is a/n
a)
elliptical galaxy
b)
spiral galaxy
c)
irregular galaxy
d)
barred spiral galaxy
24.
The most abundant type of galaxy in the universe is an...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
25.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
26.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
27.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
28.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
29.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
30.
What are the the 3 types of galaxies?
a)
Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies
b)
Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies
c)
 Milky Way, Elliptical Galaxies, and Spiral Galaxies
d)
Milky Way, Elliptical Galaxies, and Irregular Galaxies
31.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
32.
The type of galaxy that is composed of the older stars and low-mass stars.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
33.
The closest star to the sun is the...
a)
Sirius A
b)
Barnard's Star
c)
Luhman16
d)
Proxima Centauri
34.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
35.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
36.
How far is the sun from the earth?
a)
4.3 light-minutes
b)
680 light-years
c)
8.4 light-minutes
d)
9 light years
37.
What is 1 Astronomical Unit?
a)
The distance from the center of the earth to the center of the sun.
b)
The distance from the center of Earth to the center of the Moon.
c)
The distance of one entire revolution around the Sun by the Earth.
d)
The distance Light travels in a year.
38.
What is the name of our galaxy? 
a)
Our galaxy is called the Milky Way galaxy 
b)
Our galaxy is called the Andromeda galaxy 
c)
Our galaxy is called the Grand spiral  galaxy. 
d)
Our galaxy is called the Whirlpool galaxy.
39.
Does light travel instantaneously (right away)? 
a)
Light does not travel instantaneously; it takes time for light to travel through the universe. 
b)
Light travels instantaneously; it takes no time for light to travel through the universe. 
40.
When we look at images of astronomical bodies are we looking at them in the present? 
a)
Looking at current images of distant astronomical bodies is like looking back in time; the light that we see does not show what the object looks like now but how it looked when the light was emitted. 
b)
Looking at current images of distant astronomical bodies is like looking forward in time; the light that we see does not show what the object looks like now but how it will look when our galaxies align. 
c)
Looking at current images of distant astronomical bodies is like looking at a our current point in time; the light that we see shows what the object looks like now.
41.
Earth is __________ astronomical units from the Sun…
a)
A. 0.5
b)
B. 0.8
c)
C. 1.0
d)
D. 1.5
42.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
43.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and stars
c)
stars and ice
d)
water and dust
44.
A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?
a)
heat
b)
light
c)
gravity
d)
friction
45.
The Milky Way galaxy is an example of an irregular galaxy
a)
true
b)
false
46.

Which of the following correctly places these in order from LARGEST to SMALLEST?

a)

galaxy -- local group/cluster -- planet -- solar system -- universe

b)

universe -- local group/cluster -- galaxy -- solar system -- planet

c)

planet -- solar system -- galaxy -- local group/cluster -- universe

d)

universe -- galaxy -- solar system -- local group/cluster -- planet

47.

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

48.

A galaxy which is either spherical (ball like) or a flattened disk is a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

49.

A galaxy which has a nucleus of bright stars and two or more arms in circular formation is called a ___ galaxy.

a)

elliptical

b)

humanoid

c)

irregular

d)

spiral

50.

A Group of stars, and or star systems, star clusters, dust and gas held together by gravity is known as:

a)

Universe

b)

Galaxy

c)

Solar System

d)

Planet

51.

What Galaxy is Earth located?

a)

Andromeda

b)

Milky Way

c)

Sagittarius

d)

Snickers

52.

What unit is used to measure distances in space?

a)

Light year

b)

Kilometer

c)

Miles

d)

Solar unit

53.
What type of galaxy do we live in?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Coaxial
54.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
55.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
56.
Our sun is located on one of the Spiral Galaxy arms.  
a)
True
b)
False
57.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
58.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
59.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
60.

The distance light can travel in one year is ______________

a)

15,000 kilometers

b)

1 light-year

c)

15 Astronomical Units

d)

6,000 miles

61.

What is the time taken for the light to travel between the Sun and Earth?

a)

4 minutes

b)

8 minutes

c)

12 minutes

d)

2 minutes

62.

What is the distance of Andromeda Galaxy measured from the Earth?

a)

1.7 million light years

b)

2.2 million light years

c)

28 million light years

63.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
64.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
65.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
66.

What are the the 3 MAIN types of galaxies?

a)

Spiral Galaxies, Regular Galaxies, and Lliptical Galaxies

b)

Spiral Galaxies, Irregular Galaxies, and Elliptical Galaxies

c)

 Milky Way, Elliptical Galaxies, and Spiral Galaxies

d)

Milky Way, Elliptical Galaxies, and Irregular Galaxies

67.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
68.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
69.
What type of galaxy is pictured?
a)

Spiral Galaxy

b)

Elliptical Galaxy

c)

Irregular Galaxy

d)

Barred Spiral

70.

What type of galaxy is this?

a)

Irregular

b)

Spiral

c)

Barred Spiral

d)

Elliptical

71.

What type of galaxy is this?

a)

Irregular

b)

Elliptical

c)

Spiral

d)

It isn't a galaxy

72.

What type of galaxy is this?

a)

Irregular

b)

Elliptical

c)

Spiral

d)

It isn't a galaxy

73.
Our Galaxy is called the
a)
M38
b)
Milky Way Galaxy
c)
Andromeda Galaxy
d)
Pinwheel Galaxy
74.
All stars begin as a __________?
a)
giant
b)
black hole
c)
white dwarf
d)
nebula
75.

Which of the following pulls clusters of stars together in most galaxies?

a)

air

b)

magnetism

c)

gravity

d)

the weak nuclear force

76.

The type of galaxy that has few young stars, little gas or dust, and NO arms is called

a)

an elliptical galaxy

b)

a spiral galaxy

c)

an irregular galaxy

d)

a barred spiral galaxy

77.

What type of galaxy is the Milky Way?

a)

Spiral

b)

Elliptical

c)

Irregular

d)

Transition

78.

One of the more common types of galaxies which have stars still forming within them are...

a)

Elliptical

b)

Spiral

c)

Irregular

d)

Transition

79.

This type of galaxy is generally considered to be older and is no longer forming stars.

a)

Spiral

b)

Irregular

c)

Elliptical

d)

Transition Galaxies

80.

Rank the following from smallest to largest

a)

Solar system

b)

Star system

c)

Star cluster

d)

Galaxy

e)

Universe

1)
2)
3)
4)
5)
81.

When light from a star is passed through a prism, why are there gaps in the resultant spectrum?

a)

Not all wavelengths are emitted by the star

b)

The elements in the star only emit light at certain wavelengths

c)

Some wavelengths are scattered or reflected before they get to Earth

d)

Some discrete wavelengths of light are absorbed by the elements in the star

82.

Parallax is used to determine a star's

a)

Distance from Earth

b)

Composition

c)

Temperature

d)

Brightness

83.

Many stars belong to larger groups called what?

a)

Star cluster

b)

Eclipsing binary

c)

binary stars

d)

Protostar

84.

Has a nucleus made up of bright stars in the center.

a)

Elliptical

b)

Irregular

c)

Spiral

85.

A light year is the measurement of ________ light travels in one year.

a)

time

b)

distance

86.

Identify the galaxy in the image.

a)

irregular

b)

spiral

c)

elliptical

d)

none listed

87.
How many stars make up our galaxy?
a)
200
b)
200,000
c)
200 million
d)
200 billion
88.
We can't see all of the stars in our galaxy because they
a)
are too far away
b)
are too hot
c)
are revolving too quickly
89.
There are other galaxies besides ours.
a)
True
b)
False
90.
We have discovered ___ of galaxies.
a)
hundreds
b)
millions
c)
billions
91.
Galaxies occur in groups called
a)

galactic clusters

b)

Magellanic clouds

c)

nebula

d)

black holes

92.
What are in galaxies?
a)
ice and rock
b)
dust, gas, and stars
c)
stars and ice
d)
water and dust
93.
A galaxy is a large collection of stars, gas and dust. What is responsible for holding the stars, gas, and dust together in a galaxy?
a)
heat
b)
light
c)
gravity
d)
friction
94.

The distance light can travel in one year is ______________

a)

15,000 kilometers

b)

1 light-year

c)

15 Astronomical Units

d)

6,000 miles

95.

Galaxies are classified by their....

a)

Size

b)

Density

c)

Brightness

d)

Shape

96.

What type of galaxy is oval-shaped?

a)

a spiral galaxy

b)

an elliptical galaxy

c)

an irregular galaxy

97.

What type of galaxy has no special shape or form?

a)

a spiral galaxy

b)

an elliptical galaxy

c)

an irregular galaxy

98.

The Milky Way is a....

a)

spiral galaxy

b)

elliptical galaxy

c)

irregular galaxy

d)

star

99.

A very large star is a....

a)

dwarf star

b)

a red one

c)

a blue one

d)

a supergiant

100.

Our solar system is in which galaxy?

a)

The Clouds of Magellan

b)

Andromeda

c)

The Milky Way

d)

Betelguese

101.

What is the name of Earth's star?

a)

Antares

b)

Betelguese

c)

Polaris

d)

the Sun

102.
What is gigantic explosion that causes the death of a massive star?
a)
Supernova
b)
Nebula
c)
Red Giant
d)
White Dwarf
103.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
104.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
105.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
106.
What are galaxies held together by?
a)
Gravitational Attraction
b)
Stars
c)
Other galaxies
d)
Dust and Gas
107.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
108.
How far is the sun from the earth?
a)
4.3 light-minutes
b)
680 light-years
c)
8.4 light-minutes
d)
9 light years
109.
The Milky Way galaxy is an example of an irregular galaxy
a)
true
b)
false
110.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
111.
What is not a galaxy?
a)
Optical Galaxy
b)
Spiral Galaxy
c)
Elliptical Galaxy
d)
Irregular Galaxy
112.
Our sun is located on one of the Spiral Galaxy arms.  
a)
True
b)
False
113.
The closest star to the sun is the...
a)
Sirius A
b)
Barnard's Star
c)
Luhman16
d)
Proxima Centauri
114.
All stars begin as a __________?
a)
giant
b)
black hole
c)
white dwarf
d)
nebula
115.

A supernova is the explosion of a dying:

a)

medium-mass star

b)

high-mass star

c)

protostar

d)

low-mass star

116.

Our galaxy is called

a)

The Earth Nebula

b)

The Hubble Galaxy

c)

The Milky Way

d)

The Andromeda

117.

Galaxies are composed of (best answer)

a)

stars

b)

stars and gas

c)

stars, dust, and gas

d)

stars, dust, and gas held together by gravity

118.

The Milky Way Galaxy is a

a)

spiral

b)

lenticular

c)

elliptical

d)

irregular

119.

The unit used to measure distances within our solar system

a)

kilometers

b)

miles

c)

light year

d)

astronomical units

120.

The unit used to measure distances between objects like stars or galaxies is

a)

kilometers

b)

miles

c)

light years

d)

astronomical units

121.

Light years are a measure of

a)

time

b)

speed

c)

distance

d)

light

122.

A light year is...

a)

The speed light travels

b)

How long it takes light to get to you from the sun

c)

The distance light can travel in a year

d)

How many years it takes light to be emitted

123.

Proxima Centauri is the closest star to Earth after the Sun and is located 4.3 light years away from Earth. How long does it take light from Proxima Centauri to reach Earth?

a)

1 year

b)

4.3 years

c)

43 years

d)

10 trillion years

124.

To express the distance between the Milky Way galaxy and the Andromeda galaxy, the most appropriate unit of measure is the

a)

meter

b)

kilometer

c)

light year

d)

astronomical unit

125.

A supernova is the explosion of a dying:

a)

medium-mass star

b)

high-mass star

c)

protostar

d)

low-mass star

126.

What color are the coolest stars?

a)

blue-white

b)

yellow

c)

orange

d)

red

127.

Groups of two or more stars are called

a)

galaxies

b)

star clusters

c)

eclipsing binaries

d)

star systems

128.

The brightness of a star as seen from Earth is

a)

apparent brightness

b)

absolute brightness

c)

parallax

d)

reflective brightness

129.

The brightness the star would have if it were a standard distance from earth is

a)

apparent brightness

b)

absolute brightness

c)

brightness

d)

candid brightness

130.

What color of star is the hottest?

a)

blue

b)

red

c)

yellow

d)

orange

131.

The color of a star depends on its

a)

size

b)

temperature

c)

shape

d)

magnitude

132.

A very bright star can seem to be dimmer because it is

a)

further away

b)

cooler in temperature

c)

very close

d)

shy

133.

The Apparent and Absolute Magnitude scales seem backwards. This is because

a)

the brightest stars have the biggest numbers

b)

the brightest stars have the lowest numbers, including negative numbers

c)

the dimmest stars have the lowest numbers, including negative numbers

d)

the dimmest stars are assigned random numbers

134.

The following stars are rated on a scale of apparent magnitude.

A -1.53

B 1.16

C -0.25

D 6.56

Which answer lists the stars from dimmest to brightest when viewed from Earth?

a)

D, B, C, A

b)

A, B, C, D

c)

D, A, B, C

d)

A, C, D, B

135.

Which term described the object circled in yellow in this image?

a)

galaxy

b)

universe

c)

solar system

d)

planet

136.
Huge collection of stars, gas, and dust the travel together through space and is held together by gravity
a)
Galaxies
b)
Milky Way
c)
Geocentric Model
d)
Heliocentric Model
137.
What type of galaxy is pictured?
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
138.
What type of galaxy is pictured?
a)
Irregular Galaxy
b)
Elliptical Galaxy
c)
Spiral Galaxy
139.
What type of galaxy is pictured?
a)
Spiral Galaxy
b)
Irregular Galaxy
c)
Elliptical Galaxy
140.
What type of galaxy is the Milky Way?
a)
Elliptical Galaxy
b)
Spiral Galaxy
c)
Irregular Galaxy
141.
Which model is pictured?
a)
Geocentric Model
b)
Heliocentric Model
c)
Solar System
d)
Milky Way
142.
Which model is pictured?
a)
Heliocentric Model
b)
Milky Way
c)
Solar System
d)
Geocentric Model
143.
What is the main difference between the heliocentric and geocentric models?
a)
In the Geocentric Model everything revolves around the Earth, and in the Heliocentric Model everything revolves around the Sun
b)
In the Heliocentric Model everything revolves around the Earth, and in the Geocentric Model everything revolves around the Sun
c)
In the Geocentric Model everything revolves around the Earth, and in the Heliocentric Model everything revolves around the Moon
d)
There is no difference between the two models
144.
Who first proposed that the Earth was the center of our Solar System?
a)
Tycho Brahe
b)
Johannes Kepler
c)
Galileo Galilei
d)
Aristotle
145.
Who proved that the Geocentric Model was incorrect, and later proposed that the Sun and the Moon orbit around the Earth, and the other planets orbit around the Sun?
a)
Aristotle
b)
Johannes Kepler
c)
Tycho Brahe
d)
Galileo Galilei
146.
Who made great advancements to our telescope which helped him be the first to see various things in outer space?
a)
Galileo Galilei
b)
Aristotle
c)
Johannes Kepler
d)
Tycho Brahe
147.
Who used data from Tyco Brahe to develop the Planetary Laws of Motion?
a)
Tycho Brahe
b)
Johannes Kepler
c)
Galileo Galilei
d)
Aristotle
148.
The distance that light travels in one year (9.46 × 10¹²)
a)
Parallax
b)
Light Year
c)
Leap Year
d)
Year
149.
The light we see from objects in the sky are from the past
a)
True
b)
False
150.
The further away an object is, the older the light is that we are receiving from it
a)
False
b)
True
151.
What method do astronomers use to determine how far away stars are?
a)
Parallax Shift
b)
Parallax
c)
Light Year
d)
Position of an object
152.
Galaxies can change shape over time from various factors
a)
True
b)
False
153.
____________ is spherical in shape or looks like a flattened disk (flattened ball)
a)
Irregular Galaxy
b)
Elliptical Galaxy
c)
Spiral Galaxy
154.
____________ has no definite shape
a)
Elliptical Galaxy
b)
Spiral Galaxy
c)
Irregular Galaxy
155.
____________ has spiral arms that branch from the nucleus (center of the galaxy)
a)
Spiral Galaxy
b)
Irregular Galaxy
c)
Elliptical Galaxy
156.
Our galaxy is called the
a)
Earth Nebula
b)
The Hubble Galaxy
c)
The Milky Way
d)
The Snickers
157.
Galaxies are composed of (best answer)
a)
stars
b)
stars and gas
c)
stars, dust, and gas
d)
stars, dust, and gas held together by gravity
158.
The Milky Way Galaxy is a 
a)
spiral
b)
lenticular
c)
elliptical 
d)
irregular
159.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
160.
How far is the sun from the earth?
a)
4.3 light-minutes
b)
680 light-years
c)
8.4 light-minutes
d)
9 light years
161.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular 
d)
Irrational
162.
Distance measurement used by astronomers for distant objects.
a)
Kilometers
b)
Light Years
c)
Miles
d)
Light Seconds
163.
What is not a galaxy?
a)
Optical Galaxy
b)
Spiral Galaxy
c)
Elliptical Galaxy
d)
Irregular Galaxy
164.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
165.
Place these objects in order from smallest to largest.
a)
Planets, solar system, universe, galaxy
b)
Solar system, planets, galaxy, universe
c)
Planets, solar system, galaxy, universe
d)
Galaxy, solar system, planets, universe
166.
Our sun is located on one of the Spiral Galaxy arms.  
a)
True
b)
False
167.
The most abundant type of galaxy in the universe is an...
a)
Spiral Galaxy
b)
Elliptical Galaxy
c)
Irregular Galaxy
168.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
169.
The closest star to the sun is the...
a)
Sirius A
b)
Barnard's Star
c)
Luhman16
d)
Proxima Centauri
170.
The type of galaxy that is composed of the older stars and low-mass stars.
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Constellation
171.
What type of galaxy has no defined pattern or shape?
a)
Spiral 
b)
Elliptical
c)
Irregular
d)
Constellation
172.
All existing matter and space considered as a whole is called what?
a)
Galaxy
b)
Planet
c)
Universe
d)
Milky Way
173.

A group of stars that form a galaxy is called what?

a)

cluster

b)

planet

c)

universe

d)

gravity

174.
We can't see all of the stars in our galaxy because they
a)
are too far away
b)
are too hot
c)
are revolving too quickly
175.
There are other galaxies besides ours.
a)
True
b)
False
176.
The universe is
a)
1 light year across
b)
everything that exists
c)
only our galaxy
177.
This is the age of the universe.
a)
15 billion years
b)
15 million years
c)
15 thousand years
178.

What's that?

a)

Irregular Galaxy

b)

Spiral Galaxy

c)

Elliptical Galaxy

d)

All of the above

179.

What's that?

a)

Irregular Galaxy

b)

Spiral Galaxy

c)

Elliptical Galaxy

d)

All of the above

180.

Galaxy that is middle-aged.

a)

Irregular Galaxy

b)

Spiral Galaxy

c)

Elliptical Galaxy

d)

Mr. Guinn Galaxy

181.

Which type of galaxy is known for having well-defined spiral arms?

a)

Lenticular

b)

Irregular

c)

Spiral

d)

Elliptical

182.

What is the main force that keeps stars, gas, and dust bound together in a galaxy?

a)

Friction

b)

Gravity

c)

Radiation

d)

Magnetism

183.

Which of the following is NOT a recognized type of galaxy?

a)

Polygonal

b)

Irregular

c)

Elliptical

d)

Spiral

184.

Which type of galaxy is characterized by a central bar-shaped structure composed of stars?

a)

Irregular galaxy

b)

Elliptical galaxy

c)

Peculiar galaxy

d)

Barred spiral galaxy

185.

What is the main force that holds stars, gas, and dust together in a galaxy?

a)

Magnetism

b)

Gravity

c)

Friction

d)

Radiation

186.

Which galaxy is the closest large galaxy to the Milky Way?

a)

Triangulum Galaxy

b)

Sombrero Galaxy

c)

Whirlpool Galaxy

d)

Andromeda Galaxy

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