Across
- 1. The characteristic of a star that determines whether it will go supernova.
- 4. The fuel for nuclear fusion
- 7. Stars with the lowest surface temperature are this color.
- 8. Dust and cloud and gas where stars are formed.
- 9. The life stage after Main Sequence for a massive star.
- 11. Measurement of how bright a star is.
Down
- 2. Explosion of a massive star.
- 3. Nuclear fusion happens in a star's ____.
- 5. The next life stage for our Sun.
- 6. The force that contracts dust and gas to form a star.
- 10. All stars are made of ____.