Science Crossword

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Across
  1. 2. What orbits earth
  2. 3. There are many in our galaxy
  3. 6. The only planet known to have life
  4. 7. A constellation
  5. 8. When we see the moon
Down
  1. 1. Stars that make a certain shape
  2. 3. All the planets orbit around it
  3. 4. When we see the sun
  4. 5. The study of space
  5. 9. What pulls us down