Across
- 4. contraction/heating of gas/dust
- 8. formation of not just carbon, but also magnesium + oxygen
- 9. collapse of the core
- 10. gas surrounding a core that has run out of helium
- 11. core that has run out of helium
Down
- 1. surviving core, greater than 3 solar masses
- 2. surviving core, between 1.5 - 3 solar masses
- 3. hydrogen to helium fusion
- 5. dead star
- 6. helium to carbon fusion
- 7. star born in gas/dust