Across
- 2. dwarf small dim star thats left from old sun
- 4. stars,dust,& gas bound by gravity
- 6. space and all the matter in it
- 7. explosion of a collapsed star that throws out outer layers
- 9. the actual brightness of an object
- 11. distance light travels in a year
Down
- 1. region where stars are born
- 3. spectrum frequencies and wavelengths of electromagnetic radiation
- 5. magnitude brightness of a star from earth
- 8. magnitude measure of a star from standard distance
- 10. star collapsed star by gravity into neutrons
- 12. diagram graph that shows relationships between star