Thirty-Year Periodicity of Cosmic Rays

<table>The upper panel shows the time series of the Be<sup>10</sup> from the South Pole. The wavelet spectrum appears in the middle panel, and the global wavelet spectra appear in the right-most part of the figure, where the red dashed line indicates the border of 95% reliability. </table>

Advances in Astronomy

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Figure 2

Figure 2: Thirty-Year Periodicity of Cosmic Rays 