Across
- 3. if it didn't exit the life won't exist
- 5. the last rock/metal planet in our solar sistem
- 7. if you want to give someone the exactly position of an object you use this ...
- 9. we live inside this, it's enormous
- 11. it will explode if it burn all the hydrogen
- 13. the way we measure the distance in space
- 16. after the sun explodes it became a ...
- 19. if the sun got to old the earth will ...
- 21. if we could live other 5 billion years will se the sun ...
- 22. if is position were different, we won't exist
Down
- 1. the writer of "the pedestrian"
- 2. the heaviest object in the universe
- 4. the simple gas Jupiter is made of
- 6. the material number 10 is made of
- 8. if you star counting front Mercury the furthest is ...
- 10. our axis has it of 23.5°
- 12. it the earth was bigger the ... would be much stronger
- 14. if it doesn't cover the 70 % of the earth we won't exist
- 15. our solar system goes... the center of the galaxy every 250 minion years
- 17. if we hadn't have the season our weather would be ...
- 18. 13.7 billion years is the universe ...
- 20. the type of the story