Maglione's crossword

1234567891011121314151617181920
Across
  1. 4. if you are lucky you find it
  2. 7. if it was closer there would be too much radiation
  3. 11. the name of our solar sistem
  4. 12. if you go out you have to get it
  5. 13. if you look up during teh night you see them
  6. 14. it is infinite
  7. 18. under your feet
  8. 19. the movement of the earth on its axis
  9. 20. he does experiments
Down
  1. 1. the first chimical element of the periodic table
  2. 2. if you don't have friends you feel like this
  3. 3. if you want to swim you can go there
  4. 5. if you want to go out you wear it
  5. 6. if the sun explodes it becomes this
  6. 8. if it was smaller and gravity was weaker it wouldn't hold our oceans
  7. 9. blocks harmful solar radiation
  8. 10. it covers 70% of the Earth
  9. 15. at the center of the solar sistem
  10. 16. it is made of rock and metal
  11. 17. if the temperature is cold water becames it