Out of this world

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Across
  1. 4. Find with someone or something by chance
  2. 5. Grow, increase
  3. 6. Suggest or propose
  4. 11. Think
  5. 15. Reject or refuse
  6. 16. Natural satellite of the Earth
  7. 17. Action of something touch earth after being in space
  8. 19. Layer of gases sorrounding the Earth
Down
  1. 1. Partially reusable spacecraft
  2. 2. Force that all planets does we something is in their magnetic fields
  3. 3. Our set of planets and orbits
  4. 7. Exctinct
  5. 8. It has too gravity force, that light cannot escape
  6. 9. A big explosion in space of an star (also is a song)
  7. 10. Set of stars that make a drawing
  8. 12. Calculate
  9. 13. Explain
  10. 14. Russian people that goes to space
  11. 15. Use all of something
  12. 18. Group of people in the rocket that each one has an specific work