Space Puzzle

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Across
  1. 2. Space dust!
  2. 6. A star giving of a little light
  3. 7. The "atmosphere" of space
  4. 8. A person who works in space
  5. 11. A super big star
  6. 13. A compound of hydrogen and oxygen aka water
Down
  1. 1. Quarks & stuff!!!!!
  2. 3. A big ball of information
  3. 4. star A star that gives off a lot of light
  4. 5. A VERY huge object emitting LOTS of light
  5. 9. An object astronomers use to see the cosmos
  6. 10. A vehicle astronauts use
  7. 12. A cluster of stars & planets orbiting a black hole