Earth and Space

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Across
  1. 2. Big Bang scientist with a telescope
  2. 4. All about the sun
  3. 9. Large Moon of Jupiter
  4. 11. Most abundant element in the universe
  5. 12. Space Person
  6. 13. Celestial Body with a tail
  7. 14. How to remember the Solar System
  8. 16. When the moon is shrinking
  9. 17. The origin of comets and some asteroids
  10. 19. Another word for the Gas Giants
Down
  1. 1. How Stars make heat
  2. 3. To do with the moon
  3. 5. Pathway of planets
  4. 6. The study of space
  5. 7. The singularity did this to form the universe
  6. 8. What will happen to the sun when it starts to die (2 words)
  7. 10. The moon is one to the earth
  8. 15. Our Galaxy
  9. 18. Third rock from the sun