Gravity in the Galaxy

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Across
  1. 2. sphere shape
  2. 5. mass in the galaxy
  3. 8. system
  4. 10. biggest gravity
Down
  1. 1. body
  2. 3. Home of the planets
  3. 4. weight
  4. 6. shape
  5. 7. lowest gravity
  6. 9. planet