Galaxies

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Across
  1. 4. relatively dense clouds of interstellar dust in space.
  2. 5. a collection of gas, dust, stars and solar systems.
  3. 7. a galaxy with arms and a dense center swirling around the center.
  4. 8. The force that pulls mass together.
  5. 9. a galaxy with no clear shape and was made after two galaxies crashed into one another.
  6. 10. a system of celestial objects and stars that orbit one another.
Down
  1. 1. The name of our galaxy
  2. 2. groups of ten or more stars that formed from the same interstellar cloud.
  3. 3. a giant cloud of gas and dust in space.
  4. 6. a galaxy with a clear oval shape and most abundant type.