Across
- 3. The second element
- 4. giant
- 8. a big star
- 10. before the black hole
- 11. hole collapsed star core
Down
- 1. the time that light travels at
- 2. a star
- 3. an element
- 5. the smallest star type
- 6. ___ fusion
- 7. a single ___
- 9. how long the star lives
- 12. a unit of temperature