unit 3 science vocab space by ayush prasai

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Across
  1. 3. space and all matter and energy in it
  2. 5. the actual brightness of an object
  3. 7. All of the frequencies or wavelength
  4. 8. a region were stars are born
  5. 11. the brightness of a star as seen from earth
  6. 12. a small hot dim star
Down
  1. 1. a measure of how bright a star would be
  2. 2. a star that has collapsed under gravity
  3. 4. a gigantic explosion
  4. 6. the distance that light travels in a year
  5. 9. a Hertzsprung Russell diagram
  6. 10. a collection of star,dust and gas bound together by gravity