SPACE

1234567891011121314151617181920
Across
  1. 4. Fireball passing through space.
  2. 8. The sets of stars are called.
  3. 9. It is the center of our system and gives us heat.
  4. 11. It appears when the sun and moon align.
  5. 13. Piece of stone that flies through space at high speed.
  6. 14. Lights that appear in the sky in very cold places.
  7. 17. They are the people who go inside the rocket into space.
  8. 19. The person who studies space is called.
  9. 20. It is before going out into space and it is blue.
Down
  1. 1. The outer layer of the earth that gives us gravity.
  2. 2. We live in a.
  3. 3. Object with which you can see the stars.
  4. 5. The natural satellite of the earth is the.
  5. 6. Large piece of metal that travels into space.
  6. 7. The planet that has a ring is called.
  7. 10. The red planet is.
  8. 12. They are small planets and have a lot of light.
  9. 15. Organization that studies space and commands rockets.
  10. 16. It is what makes us be on the floor and not float.
  11. 18. It is what we breathe and what prevents us from dying.