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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. 

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
 

 5. 

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

 6. 

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
 

 7. 

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
 

 8. 

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

 9. 

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

 10. 

About 14 billion years ago, a singularity exploded and began the universe, this was known as_____.
a.
a light year
c.
the beginning of a Black Hole
b.
the Big Bang
d.
the Milky Way
 

 11. 

Earth ==> _________ ==>Milky Way Galaxy ==> Universe
What is missing in this sequence of our location in space?
a.
Solar System
c.
Nebulae
b.
Earth
d.
Sun
 

 12. 

A ____ is a collapsed star who gravity is so strong that nothing, including light, can escape its gravity field.
a.
supergiant
c.
black hole
b.
supernova
d.
white dwarf
 

 13. 

A red shift in the spectrum of the light from an object indicates the object is moving ____ you.
a.
toward
c.
at a right angle from
b.
away from
d.
none of the above
 

 14. 

The ____ states that 14 billion years ago, the universe began expanding out of an enormous explosion.
a.
H-R diagram
c.
Big Bang theory
b.
"big crunch" theory
d.
binary star theory
 

 15. 

This ancient Greek scientist believed in the geocentric model of the solar system.  The Church and kings believed what he said.
a.
Copernicus
c.
Galileo
b.
Kepler
d.
Aristotle
 

 16. 

The geocentric model says that the ______ is in the center of the solar system.
a.
the Earth
c.
the Milky Way
b.
the Sun
 

 17. 

This Polish scientist discovered that the Sun was in the center of the solar system.  He wrote a book but was afraid to publish it.
a.
Aritsotle
c.
Copernicus
b.
Ptolemy
d.
Sir Isaac Newton
 

 18. 

This Italian scientist used his telescope to prove that the heliocentric model was correct.
a.
Aristotle
c.
Copernicus
b.
Galileo
d.
Ptolemy
 

 19. 

What is in the center of the heliocentric solar system?
a.
the Earth
c.
the Milky Way
b.
the Sun
d.
Pizza Hut!
 

 20. 

Which of these scientists believed in the geocentric model of the solar system?
a.
Copernicus
c.
Kepler
b.
Galileo
d.
Aristotle
 

 21. 

mc021-1.jpg
This picture shows which model of the solar system?
a.
heliocentric
c.
the present model
b.
geocentric
 

 22. 

This English scientist defined gravity and explained how it made the heliocentric model work.
a.
Copernicus
c.
Kepler
b.
Aristotle
d.
Sir Isaac Newton
 

 23. 

mc023-1.jpg
This picture shows us that our solar system is located
a.
outside of the Milky Way
c.
located in one of the spiral arms
b.
located in the center of the Milky Way
d.
not located in the Milky Way
 



 
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