Fluctuations in solar activity affect ROSAT's re-entry
Fluctuations in solar activity affect ROSAT's re-entry
This diagram shows solar activity from 1995 to 2020. The monthly average figures for the relative number of sunspots based on the frequency of sunspot occurrence are depicted. The 11-year activity cycle can be seen clearly here. The next 'maximum level' of solar activity is expected in about 2013, and is predicted to be substantially less powerful than its predecessor.
