Sun and Stars

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Across
  1. 4. a type of heat transfer
  2. 6. the distance travelled by light in a year
  3. 9. dark patches on the photosphere
  4. 13. magnitude the actual brightness of a star
  5. 15. first layer of the sun visible to naked eye
Down
  1. 1. a word meaning "color"
  2. 2. nuclear fusion occurs here
  3. 3. the layer of the sun seen during an eclipse
  4. 5. what nitrogen becomes at sunrise
  5. 7. middle layer of the sun's atmosphere
  6. 8. another name for brightness
  7. 10. the closest star to earth
  8. 11. the third planet from the sun
  9. 12. northern lights
  10. 14. Mr. Decker's son's name