WorksheetsHubble Galaxy Classification
Total questions: 25
Worksheet time: 2hrs 5mins
Name
Class
Date
1.
The classification of spiral galaxies are based on tightness of spiral arms and
a)
how many stars are in galaxy
b)
brightness of galaxy
c)
size of nuclear bulge
d)
velocity of galaxy
2.
Who came up with the classification scheme for galaxies?
a)
Carl Sagan
b)
Edwin Hubble
c)
Neil Armstrong
d)
Neil Tyson
3.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
4.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
5.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
6.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
7.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
ring
8.
How are galaxies held together.
a)
gas
b)
dust
c)
stars
d)
gravitational attraction
9.
What type of galaxy is this?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Irrational
10.
Our Galaxy is called the
a)
M38
b)
Milky Way Galaxy
c)
Andromeda Galaxy
d)
Pinwheel Galaxy
11.
Pulls clusters of stars together in most galaxies.
a)
air
b)
Big Bang Theory
c)
gravity
d)
dark energy
12.
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
13.
The Milky Way is what type of galaxy?
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Barred spiral
14.
How many stars are in a galaxy.
a)
millions or billions
b)
thousands
c)
hundreds
d)
Ten
15.
The farther away a galaxy is from us, the faster it moves away from us is called
a)
Planck's Constant
b)
Archimedes Principle
c)
Einsteins Theory Relativity
d)
Hubble's Law
16.
What is the name of the cluster that the Milky Way Galaxy is located in?
a)
Virgo
b)
Andromeda
c)
Local Group
d)
Cosmological
17.
Elliptical galaxies are classified according to how round or elongated they appear. True or False
a)
True
b)
False
c)
No idea
18.
Which type of galaxy are smaller and contain less dust than spiral galaxies?
a)
peculiar
b)
elliptical
c)
spiral barred
d)
irregular
19.
The universe is expanding.
a)
True
b)
False
20.
Types of galaxies include all of the following EXCEPT...
a)
Spiral
b)
Elliptical
c)
Irregular
d)
Galactic
21.
Galaxies that are moving away from us are _ shifting?
a)
red
b)
blue
c)
yellow
d)
green
22.
Which of these is more circular in Hubble's classification of galaxies?
a)
E0
b)
E3
c)
E5
d)
E7
23.
Which of these is flatter in Hubble's classification of galaxies?
a)
E0
b)
E3
c)
E5
d)
E7
24.
Which of these has more arms in Hubble's classification of galaxies?
a)
S0
b)
Sa
c)
Sb
d)
Sc
25.
Which of these is a barred spiral in Hubble's classification of galaxies?
a)
S0
b)
SBa
c)
Sb
d)
E7
100 %
