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Solar physics

Back to the next solar cycle

Many solar physicists expect the peak sunspot activity during the next solar cycle to be at its weakest in almost a century. A recent prediction to the contrary could turn this prevailing wisdom on its head.

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Figure 1: Monthly mean sunspot numbers from 1860 to the present (data from http://www.ngdc.noaa.gov/stp/SOLAR).

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Acknowledgements

We would like to thank J. L. Lean of the Naval Research Laboratory for the preparation of the figure.

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Wang, YM., Sheeley, N. Back to the next solar cycle. Nature Phys 2, 367–368 (2006). https://doi.org/10.1038/nphys321

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