THE UNIVERSE

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Across
  1. 3. Earth-like planet
  2. 4. Planet smaller than other planets
  3. 6. Force of attraction of objects
  4. 8. The path the earth follows around the sun
  5. 10. Largest planet in the solar system
Down
  1. 1. Rock attracted by gravity
  2. 2. Star with hair
  3. 5. Object smaller than a planet
  4. 6. Array of thousands of stars spinning
  5. 7. Planet surrounded by a large ring
  6. 9. Closest star to Earth