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| Paper: |
Quiet Sun unaffected by Activity Cycle |
| Volume: |
346, Large-scale Structures and their Role in Solar Activity |
| Page: |
353 |
| Authors: |
Livingston, W.; Gray, D.; Wallace, L.; White, O. |
| Abstract: |
The Sun's 11 year sunspot cycle, and all related phenomena, are driven by magnetism in the form of hot flux tubes which thread through the surface from below. Full disk chromospheric Ca K intensity observations track the activity cycle. But center disk Ca K and photospheric temperature sensitive lines are invariant to cycle magnetism. Recent high resolution photographs of the photosphere show that the flux tubes are confined between the granulation cells and do not interact with them. The result is a constant basal atmosphere without cyclic consequences for the Earth. |
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