Across
- 2. Distance that light travels in one year
- 6. Brightness seen from earth
- 8. star get lighter
- 9. A more accurate scale of the entire solar system
- 10. Group of single stars
Down
- 1. Blue and white core
- 3. Space and everything in it
- 4. brightness Brightness the star would have
- 5. Large cloud of gas and dust
- 7. First stage of a stars formation