Across
- 3. actual brightness of a star
- 6. cloud of gas
- 7. nova/a big star that breaks so there's a big explosion
- 8. of stars
- 10. dwarf/a small hot dim star
- 12. magnitude/measure how bright a star is
Down
- 1. year/distance that light travels
- 2. and energy
- 4. magnitude/measure on how bright a star is
- 5. Spectrum/all frequencies and wavelengths
- 9. star/ has collapsed under gravity
- 11. diagram/a graph that shows relationship between a stars temp and magnitude