Solar activity varies in 11-year cycles. As the activity cycle switches to a new one, the Sun is usually very calm for several years.
![](https://scx1.b-cdn.net/csz/news/tmb/2020/newstudytheq.jpg)
Source:
https://phys.org/news/2020-08-quiet-sun-thought.html
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Solar activity varies in 11-year cycles. As the activity cycle switches to a new one, the Sun is usually very calm for several years.
Source:
https://phys.org/news/2020-08-quiet-sun-thought.html