• 1. 
    The Pinwheel galaxy is a kind of spiral galaxy.

  • TRUE
  • FALSE
  • 2. 
    Individual galaxies can unite.

  • TRUE
  • FALSE
  • 3. 
    Galaxies are classified by their shape.

  • TRUE
  • FALSE
  • 4. 
    There are about a thousand galaxies in the universe.

  • TRUE
  • FALSE
  • 5. 
    Most galaxies contain only a few dozen stars.

  • TRUE
  • FALSE
  • 6. 
    The word "galaxy" comes from the Greek word for milk.

  • TRUE
  • FALSE
  • 7. 
    Irregular galaxies are rare.

  • TRUE
  • FALSE
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