Galaxy Station

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Across
  1. 3. 7 planets orbiting a star in the center.
  2. 5. A galaxy with no common shape.
  3. 7. All matter and energy is in this.
  4. 9. Collection of dust stars and solar systems.
Down
  1. 1. A spiral galaxy that humans live in.
  2. 2. A galaxy with a bright center; egg.
  3. 3. A galaxy with arms.
  4. 4. Always growing
  5. 6. The star in the center of the Solar System
  6. 8. Bright light at the center of galaxies