space

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Across
  1. 2. orbit
  2. 3. Phase
  3. 4. light speed
  4. 7. sun
  5. 8. star
  6. 10. constellation
Down
  1. 1. space
  2. 2. Night
  3. 4. sky
  4. 5. meteor
  5. 6. lifgt
  6. 9. earth