Across
- 1. A gas sheet only seen for a matter of minutes
- 5. The site of nuclear fusion
- 7. A number 6 star's brightness
- 8. Nebulas are composed primarily of this substance
- 10. Another name for nebulas
- 16. Lifecycle of the Sun so far
- 17. A bright star
Down
- 2. when a large star ages it becomes a
- 3. Can be seen for days or weeks
- 4. A small/medium star becomes this when it dies
- 6. Process that occurs in a star's core
- 9. Creates energy for all living things to survive
- 11. A huge star died and became a
- 12. An explosice event resulting in death
- 13. A relaly hot star is this colour
- 14. A red/orange star has what temperature
- 15. The star that creates a blackhole