The Sun

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Across
  1. 3. a force created by mass
  2. 5. a very large star of low surface temperatures
  3. 7. shortest wave length of radio waves
  4. 10. element found in the Sun
  5. 11. a spot or patch appearing from time to time on the Sun's surface
  6. 14. element found in the Sun
  7. 15. where nuclear reactions occur in the Sun
  8. 16. the cumulative atmosphere of the Sun that radiates light
  9. 17. the aura around the Sun, seen during an eclipse
  10. 19. stars in the middle developmental phases
  11. 21. a celestial body of a mass of gas held together by its own gravity
  12. 22. where energy is transported toward the Sun's exterior by radiative diffusion
  13. 23. a large bright feature extending outward from the Sun
  14. 24. unit for temperature
Down
  1. 1. a cloud of interstellar gas and dust created by a dying star
  2. 2. the 2nd gaseous layer of the Sun's atmosphere
  3. 4. nuclear reaction where a nucleus breaks apart
  4. 6. nuclear reaction where 2 nuclei combine together
  5. 8. a star similar in size to earth
  6. 9. all space and the matter space contains
  7. 12. a sudden eruption of radiation from the Sun
  8. 13. The area of the Sun where energy is moved by convection
  9. 18. the center of the Earth's solar system
  10. 20. light energy