Across
- 3. This happens to light from a star or galaxy that is moving away from us
- 5. Explosion a large mass star experiences
- 8. Gas used in nuclear fusion reactions in the sun
- 10. Final stage of a Large mass star
- 11. Region in the star where nuclear fusion occurs
- 12. Our sun is a
Down
- 1. Initial stage of a star that collapses to form the star
- 2. Name of the galaxy our solar system is in
- 4. Outermost layer of the sun that looks like a halo
- 6. Areas of gas on the sun that are cooler than their surrounding gases
- 7. Scientist who first discovered evidence for an expanding universe
- 9. Stage of star after it has expanded