Across
- 4. the middle of something
- 7. light cant escape
- 8. happens in the sun
- 9. 2nd layer of the sun
- 10. makes up everything
- 13. how much matter
- 14. table of all the atoms
- 16. over 90% of the sun
- 20. helps earth be habitable
Down
- 1. where everything is
- 2. requirements to live
- 3. 9% of the sun
- 5. what we live on
- 6. our planet
- 11. what the sun is
- 12. our galaxy
- 15. tiny sun
- 17. makes you fall
- 18. life requirement
- 19. ball of plasma