Galaxy Station Crossword Puzzle

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Across
  1. 5. A collection of dust, gas, and stars
  2. 6. A galaxy with "arms"
  3. 7. The galaxy with OUR solar system
  4. 8. What is the place with our 8 planets called?
  5. 9. Galaxies can ______ with each other to create a black hole?
Down
  1. 1. Galaxies are held together by...
  2. 2. What kid of galaxy is the Milky Way?
  3. 3. A galaxy with no defined shape
  4. 4. A galaxy that looks like a giant star
  5. 6. Galaxies have billion and billions of these