out of this world

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Across
  1. 2. to beacome something
  2. 3. the planetary system that we live in
  3. 7. a space research site orbiting around the earth
  4. 10. to calculate something
  5. 11. a layer of gasses that surrounds the earth
  6. 12. a person that explores space that lives in the usa
  7. 14. to invent something
  8. 15. what do stars beacome when they explode?
  9. 18. a person that explores space that lives in russia
  10. 19. to grow or increase
Down
  1. 1. to reject something
  2. 3. the segment of the spaceship that the personnel use to pilot it
  3. 4. the people that supervise a space mission in the earth
  4. 5. to destroy something
  5. 6. to beacome extinct
  6. 8. to reduce money on something (most likely a project)
  7. 9. what is ho heavy that light cant escape it?
  8. 13. to suggest or propose something (idea)
  9. 16. earth's natural satelite
  10. 17. these are found between the orbits of Mars and Jupiter.And have a small size (compared to a planet)