Space Crossword by Nayan

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Across
  1. 1. Collection of stars, gas, and dust
  2. 5. The gassy star that the earth orbits
  3. 8. Chunk of rocky objects that orbits the sun
  4. 9. Layers of gas we need to survive
  5. 10. A scientist that specializes in space fields
  6. 13. From outside earth, beyond our planet
  7. 16. Celestial body of gas that emits light
  8. 17. Spherical celestial body orbiting the Sun
  9. 18. A continuous area or expanse
  10. 19. A natural satellite of a planet
Down
  1. 2. Distance light travels in one year
  2. 3. Contains everything in space
  3. 4. An icy, small body, like a ball of ice, rock, gas, and dust
  4. 6. Measure of gravitational pull on an object
  5. 7. Someone who does space travel
  6. 8. A hypothetical being from another planet
  7. 11. Like a giant cloud pf dust and gas in space
  8. 12. How much matter is in an object
  9. 14. The name of our planet
  10. 15. Collection of large and small bodies that orbit the sun