Auroras

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Across
  1. 4. Discovered why and how auroras occur
  2. 7. Can capture auroras better than the human eye
  3. 9. The name of the temporary dark spots that cover the sun
  4. 12. What part of the sun are coronial mass ejections from
  5. 13. What solar flares are bursts of
  6. 14. The earliest records of humans sighting auroras
  7. 15. The place on earth where auroras are located
  8. 18. particles What solar winds are a stream of
  9. 19. The second most common aurora colour occurs when there is high overactive oxygen atoms
Down
  1. 1. The season were auroras are most visible
  2. 2. The common shape of auroras
  3. 3. The most common aurora colour
  4. 5. What causes an aurora to occur?
  5. 6. Protects the earth from the sun's harmful particles
  6. 8. oval The place where auroras occur every night
  7. 10. Where the particles from the sun get drawn into when they hit the earth
  8. 11. Where the name 'aurora' originated from
  9. 15. What the particles of the sun turn into when they combine with the oxygen and nitrogen on earth
  10. 16. The main factor that determines an aurora colour
  11. 17. The tone of colour that is usually seen at the bottom of auroras