Terms on the Sun

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Across
  1. 4. a brief eruption of high-energy radiation
  2. 5. a spot or patch appearing on suns surface
  3. 7. most outermost layer of the suns atmosphere
  4. 8. plasma from the suns surface injected into space
  5. 9. happens when the sun is dying
Down
  1. 1. reddish gaseous layer
  2. 2. 25% of the sun
  3. 3. 73% of the sun is this
  4. 6. when hydrogen is converted to helium
  5. 7. process that forms convection cells