Unit 9

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Across
  1. 4. 3rd layer of sun, convection occurs
  2. 5. Ball of plasma held together by its own gravity
  3. 8. Most stars made up on an HR Diagram
  4. 10. 5th layer of sun, visible layer to us on earth
  5. 11. 1st layer of sun, suns source of energy
  6. 13. 6th layer of sun, outer part of sun, eclipse
  7. 14. 9th layer of sun, extends outward
  8. 15. Brightness, absolute magnitude
Down
  1. 1. 4th layer of sun, energy released and light
  2. 2. Determines where stars are classified
  3. 3. Hot material cools and sinks then rises again
  4. 6. 2nd layer of sun, energy moves slowly through
  5. 7. 7th layer of sun, spots or patches contrasting with surroundings
  6. 9. Star massive enough, collapse and triggers an explosion
  7. 12. Measure of brightness of celestial objects