Across
- 1. What stars are made of instead of solid rock.
- 6. A name for a smaller star.
- 8. The invisible force that pulls gas together to form a star.
- 9. The closest star to Earth that gives us light and heat.
- 10. A giant cloud of gas and dust where new stars are born.
- 12. The color of stars that are cooler than our Sun.
Down
- 2. A giant explosion when a star dies.
- 3. The energy we feel from the Sun's rays.
- 4. The gas created when a star burns its main fuel.
- 5. A very large, old star.
- 7. The process where stars squeeze atoms together to make energy.
- 11. The color of the very hottest stars.
