Across
- 2. magnitude Brightness of a star from a standard distance
- 4. magnitude The brightness of a star from earth
- 5. A gigantic explosion with a massive star
- 7. A collection of stars, dust, and gas bound together by gravity
- 8. The actual brightness of a star
- 10. year The distance light travels in a year
- 11. diagram Diagram that shows relationship between surface temperature and absolute magnitude
- 12. dwarf Small hot dim star that is leftover center of an old sun like star
Down
- 1. A large cloud of gas and dust where stars are born
- 3. spectrum All of the wavelengths of electromagnetic radiation
- 6. star A star that has collapsed under gravity
- 9. Space and all the matter and energy in it