Across
- 1. about 9.46 trillion kilometers
- 5. is bounded together by gravity
- 8. a gigantic explosion
- 9. a star that collapse under gravity
- 10. the brightness of a star as seen from earth
- 11. has all the en Ray in it
- 12. shows the relationship between a stars surface temperature and magnitude
Down
- 2. all of the frequencies or wave lengths of electromagnetic
- 3. a small dim star
- 4. a measure of how bright a star is from a stand erred distance
- 6. the actual brightness
- 7. where a star is born