Science space crossword

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Across
  1. 4. vast cloud of gas where stars are born
  2. 5. small reddish stars
  3. 9. dead red dwarfs and medium sized yellow stars
  4. 11. middle layer of sun’s atmosphere made of large cells
  5. 12. outmost layer of sun’s atmosphere
  6. 13. distance light travels
  7. 17. lowest layer of a stars atmosphere
  8. 18. sudden intense explosion on suns core
  9. 19. middle of planet
Down
  1. 1. shrunken white red giants
  2. 2. some of the most massive stars in the universe
  3. 3. explosion of star in space
  4. 6. Region in space with such high gravity nothing can escape it
  5. 7. spinning balls of gas and dust created after nebula’s collapse
  6. 8. the stage our sun is in
  7. 9. Layer in star between core and convection zone
  8. 10. Dark planet sized temporary blemishes on the sun
  9. 14. early gas stage of star
  10. 15. dead star core
  11. 16. out most layer of a stars interior