Stars Earth Science

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Across
  1. 4. the creation of nuclear energy through this star forming process
  2. 8. a star that is blue and has a luminosity of 30,000
  3. 10. evidence of a galaxy moving away from earth
  4. 11. the star that is perpendicular to the North Pole
  5. 12. the force the causes gas and dust to contract
Down
  1. 1. the unit for temperature in which stars are measured in
  2. 2. the brightness of a star
  3. 3. a star that is 4000K and luminosity 800x the sun
  4. 5. our sun is this stage of stars
  5. 6. the oldest groups of stars
  6. 7. the coolest stars are this color
  7. 9. cosmic background radiation is evidence to support this theory