The Universe

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Across
  1. 2. A space rock before entering the Earths atmosphere
  2. 5. A mysterious aerial sighting
  3. 9. A belt of constellations that the sun appears to move through
  4. 10. A giant cloud of dust and gas where stars are born
  5. 13. A space rock that reaches the Earth's surface
  6. 16. A pattern of stars in the night sky
  7. 18. A bright and luminous ball of gas, such as our Sun
  8. 19. A planet outside of our solar system
  9. 20. A celestial body that orbits a star
Down
  1. 1. A rocky Object that orbits between Mars and Jupiter
  2. 3. To move around a body in space
  3. 4. The region beyond Neptune, that separates the solar system
  4. 6. Space Object with an icy core and a glowing tail
  5. 7. Tool used to view and observe outer space
  6. 8. An object that orbits a planet, either being natural or artificial
  7. 11. Hunter constellation
  8. 12. The star that is at the centre of our solar system
  9. 14. The third planet in our solar system
  10. 15. A type of planet that describes Plutos classification
  11. 17. A vast system of stars, gas, dust, and dark matter held together by gravity