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Galaxies
Test Description: The Three Main Types of Galaxies
Instructions: Answer all questions to get your test result.
1) What do you call a huge collections of stars, gas, and dust that travel together through space?
A
black hole
B
nebula
C
planet
D
galaxy
2) Galaxies are the ________ of the universe.
A
stars
B
building blocks
C
planets
D
andomedas
3) Astronomers classify galaxies based on _______.
A
number of planets
B
size
C
number of stars
D
shape
4) This type of galaxy looks like a slightly flattened ball and has older stars than other types of galaxies.
A
Milky Way
B
irregular
C
spiral
D
elliptical
5) These galaxies are shaped like flattened disks that have one or more spiral arms that branch out from their centers.
A
irregular
B
Andromeda
C
elliptical
D
spiral
6) Galaxies with no regular shape are called _______ galaxies and are smaller and fainter than other types of galaxies.
A
elliptical
B
spiral
C
irregular
D
Milky Way
7) All the stars you can see in the night sky with the naked eye are a part of our home galaxy, the _______.
A
Milky Way
B
Snickers
C
Capri Sun
D
Moon Pie
8) The Milky Way galaxy contains about ________ stars.
A
100,000 billion
B
200, 000 billion
C
100, 000 trillion
D
100,000 million
9) The distance of the Milky Way galaxy from edge to edge is about ________.
A
10,000 light years
B
10,000 kilometers
C
10,000 miles
D
10,000 meters
10) In our galaxy, our solar system is found in _______.
A
in the handle of the Big Dipper
B
in a tentacle of the constellation Scorpio
C
Orion's Arm
D
in the mane of the constellation Leo
11) Ancient peoples saw a band of stars stretching across the sky and thought it looked like a river of milk. This is known as the ________ .
A
the constellation Aquarius
B
the constellation Saggitarius
C
the Little Dipper
D
Milky Way galaxy
*select an answer for all questions
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