science crossword unit 3

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