Space crossword

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Across
  1. 2. giant bright and made of gas
  2. 4. a person whose job is to go to space
  3. 7. an area in space where gravity is so strong that not even light can get out
  4. 9. The U.S. space agency
  5. 10. The fourth planet from the sun
  6. 11. a flying object that is unidentified
  7. 12. where humans live
  8. 13. something that takes you to space
Down
  1. 1. forms a recognizable shape with something bright.
  2. 2. Pitch black and has no air
  3. 3. The Earth's natural satellite
  4. 5. basically everything
  5. 6. a very big group of stars,gas,dust and dark matter.
  6. 8. a rock that orbits the sun
  7. 14. a round giant celestial body