Across
- 1. a large explosion that occurs at the end of a high mass star's lifetime
- 5. the visible surface of a star that may show sunspots or solar flares
- 7. the place in a star where nuclear fusion occurs in a star
- 9. a large cloud of gas where stars are formed
- 10. the type of eventual star death depends on this
- 11. the stage in which a star swells up to many times its mass and outer layers cool
- 12. the remnant of an average mass star
- 13. how bright a star appears when viewed from Earth
- 14. the outermost layer of a star that means "crown"
Down
- 2. the hot dense core that will turn into a star only after nuclear fusion begins
- 3. a remnant of a star that is made of tightly packed neutrons
- 4. the process stars perform in their cores that makes helium
- 6. as a massive star begins to die, it will begin to fuse this element into heavier elements like iron
- 8. a very low mass star that can live billions or trillions of years