Across
- 2. Cloud of dust and gas
- 5. Sun ends its cycle here
- 8. Long wave
- 10. Fusions stop
- 11. Energy before reaction is the same amount after reaction
- 12. Expands 100 times its size
- 13. Where our sun is at right now
- 15. Absorbed chemical reaction
- 18. Weighs 1 tsp
- 19. Atoms combining
- 20. Microwave radiation
Down
- 1. Short wave
- 3. Nothing can escape it
- 4. Atoms splitting
- 6. Small, white dying star
- 7. Clumps start to form
- 9. Organized chart of radiations
- 14. Still generates energy
- 16. Star explodes
- 17. Released chemical reaction