Space A

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Across
  1. 2. A small celestial object entering Earth's atmosphere
  2. 4. A dwarf planet in our solar system
  3. 5. A celestial body with a tail
  4. 6. A large system of stars
  5. 8. A person who travels in space
Down
  1. 1. A cloud of gas and dust in space
  2. 3. A vehicle for space travel
  3. 4. A celestial body that orbits a star
  4. 7. Earth's natural satellite
  5. 9. A luminous celestial object