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Galaxies and the Universe

Multiple Choice
 

 1. 

A group of stars, gas, and dust held together by gravity is a ____.
a.
galaxy
c.
Local Group
b.
constellation
d.
both a and b
 

 2. 

What is the name of the galaxy where is Earth is located?
a.
Andromeda
c.
Milky Way Galaxy
b.
The Sol Galaxy
d.
The Solar System
 

 3. 

Our Solar System is in the Milky Way galaxy.  What type of galaxy is it?
a.
a classic galaxy
c.
an elliptical galaxy
b.
a spiral galaxy
d.
an irregular galaxy
 

 4. 

mc004-1.jpg
What can you tell about the location of the Sun from this picture of the Milky Way.
a.
It is outside the Milky Way
c.
it is close to a black hole
b.
it is located in the middle
d.
It is located near the edge in a spiral arm
 

 5. 

The Milky Way is how large?
a.
100,000 miles across
c.
noone knows
b.
about twice as large as our solar system
d.
is 100,000 light-years across
 

 6. 

A galaxy that has a shape similar to an egg is a(n) ____ galaxy.
a.
irregular
c.
universal
b.
elliptical
d.
spiral
 

 7. 

The spiral shape of the Milky Way Galaxy CANNOT be seen from Earth because ____.
a.
we are located within one of its spiral arms
b.
we are located above the galaxy
c.
our view is blocked by the Sun
d.
none of the above
 

 8. 

Space and all the matter and energy in it is
a.
the solar system
c.
the Milky Way Galaxy
b.
the Universe
d.
an elliptical galaxy
 

 9. 

The distances to nearby stars can be measured by using ____.
a.
temperature
c.
a tape measure
b.
lightyears
d.
millions of miles
 

 10. 

A single galaxy is BEST described as containing
a.
thousands of stars
c.
millions of stars
b.
billions of stars
d.
lots of stars
 



 
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