The Sun :)

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Across
  1. 4. These fields are what affect patterns on the Sun's surface
  2. 7. Arcs of gases escaping the chromosphere
  3. 8. The definition of "photo"
  4. 9. This happens when solar winds meet the Earth's atmosphere
  5. 11. Where the sun's energy comes from in the core
  6. 13. This is where light comes from on the Sun
  7. 15. This is located outside the photosphere
  8. 16. These are flares from the corona
Down
  1. 1. Two hydrogens fuse into this element
  2. 2. These look dark because they are slightly cooler than its surroundings
  3. 3. This zone is where energy is circulated to the surface
  4. 5. The cycle of solar activities in years
  5. 6. The definition of "color"
  6. 10. The person who came up with the theory of relativity
  7. 12. This is what holds the Sun together
  8. 14. This layer is only visible during solar eclipses