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Stars and Galaxies

Quiz by Stacey

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15 questions
Show answers
  • Q1
    What percent of stars are on the diagonal line on the H-R diagram?
    Question Image
    9%
    50%
    90%
    99%
    30s
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  • Q2
    What is the diagonal line of stars called on the H-R diagram?
    main sequence
    main idea
    main street
    30s
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  • Q3
    What are the two properties are stars classified by?
    diameter and color
    age and color
    temperature and brightness
    30s
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    Delete
  • Q4
    What galaxy is Earth in?
    Androma
    Milky Way
    Kelpler
    30s
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  • Q5
    What is the leading theory of how the universe was formed?
    The Big Bang
    The Big Chill
    The Big Kahuna
    30s
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  • Q6
    How do scientists know that the universe is expanding?
    red shift of light
    blue shift of light
    yellow shift of light
    30s
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  • Q7
    A galaxy is held together by...
    gravity
    expansion
    magnetism
    30s
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  • Q8
    What type of galaxy is our solar system in?
    elliptical
    irregular
    spiral
    30s
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  • Q9
    What is the name of this diagram?
    Question Image
    H-R diagram
    B-T diagram
    A-P diagram
    30s
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  • Q10
    What is the name of the branch of astronomy that deals with the formation of the universe?
    cosmology
    criminology
    cosmetology
    30s
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  • Q11
    What two elements make up stars?
    hydrogen and helium
    argon and radon
    oxygen and nitrogen
    30s
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  • Q12
    True or False: A star is a brilliant ball of burning gas.
    True
    False
    30s
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  • Q13
    True or False: Stars can vary greatly in their size, temperature and brightness.
    False
    True
    30s
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  • Q14
    True or False: Stars never evolve or change.
    False
    True
    30s
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  • Q15
    Why does the night sky appear dark?
    Stars are moving AWAY from us and it changes to infared light (which we can't see)
    Stars are moving TOWARD us and it changes to infared light (which we can't see)
    30s
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