Solar activity reconstructed for 3 millennia

The Sun shows a large variability in its magnetic activity, from Grand minima to Grand maxima, but the nature of the variability is not fully understood, mostly because of an...太阳的磁活动表现出显著的变异性，跨度覆盖大极小期（Grand minima）至大极大期（Grand maxima），但此类变化的本质尚未被完全阐明，这主要是由于……