Across
- 3. The graph of stars is called ____
- 5. Different stars have different brightness, or _____
- 7. Stars that have burned up all their hydrogen are called _____
- 9. The circle of life is called the ____
Down
- 1. In a _____ far, far away.
- 2. stars in their death stage are called ____
- 4. the _____ on the Sun is very high.
- 6. Middle aged stars are called _____ stars
- 8. The most massive stars are called ____