Birth and Death of a Star

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Across
  1. 3. exploding star
  2. 7. distance light travels in one year
  3. 10. zone layer where energy moves by radiation
  4. 13. a cooler but large red star created from a red dwarf star that died.
  5. 14. layer where hot gas rises and cool gas sinks
  6. 15. medium-sized star like the sun
  7. 16. small red stars with little mass.
  8. 17. early stage of a forming star
Down
  1. 1. thin layer above the suns surface
  2. 2. All stars are born in vast clouds of gas and dust called.
  3. 4. dark, cooler spots on the sun
  4. 5. object with gravity so strong light can’t escape
  5. 6. cloud of gas and dust in space
  6. 8. a star that is created when a red giant uses there energy becoming small dense stars.
  7. 9. visible surface of the sun
  8. 11. sudden of energy for the sun
  9. 12. center of the sun where energy moves by radiation
  10. 14. outer glowing layer of the sun