Outer Space

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Across
  1. 4. Vehicle used for space travel
  2. 7. Celestial body orbiting a star
  3. 8. Celestial object with a tail
  4. 9. Rocky object orbiting the Sun
Down
  1. 1. Object orbiting a planet
  2. 2. Vast system of stars
  3. 3. Person who travels to space
  4. 4. Celestial body emitting light
  5. 5. Region of space with a gravitational pull
  6. 6. Interstellar cloud of dust and gas