The Space Race

  1.  
    1. What type of galaxy is the most common in the universe?
    A. Elliptical galaxies Galaxies are categorized as elliptical, spiral, or irregular. There are at least two trillion galaxies in the universe. Each galaxy is bound by gravity and consists of stars, dust, interstellar gas, and dark matter. They range in size B. elliptical C. spiral D. irregular.
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Answer Key
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The Space Race (Answer Key)

  1.  
    1. What type of galaxy is the most common in the universe?
    A. Elliptical galaxies Galaxies are categorized as elliptical, spiral, or irregular. There are at least two trillion galaxies in the universe. Each galaxy is bound by gravity and consists of stars, dust, interstellar gas, and dark matter. They range in size B. elliptical C. spiral D. irregular.
  2.  
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  3.  
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  4.  
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