SCIENCE

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Across
  1. 2. hottest
  2. 4. biggest
  3. 8. a star
  4. 9. a big hole
  5. 11. not a planet
  6. 12. a ball of gas
Down
  1. 1. red
  2. 3. blue
  3. 5. our planet
  4. 6. our galaxy
  5. 7. gas
  6. 10. has rings